Home / 21,402,452.10-32,103,678.15-13,749,701.70

Finding the Fourth Proportional to 21,402,452.10, 32,103,678.15 and 13,749,701.70

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Solution

The fourth proportional to 21,402,452.10, 32,103,678.15 and 13,749,701.70 is: 20,624,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402,452.10 : 32,103,678.15 = 13,749,701.70 : x
  2. Step 2: Convert to fraction form
    21,402,452.10/32,103,678.15 = 13,749,701.70/x
  3. Step 3: Cross multiply
    21,402,452.10x = 32,103,678.15 × 13,749,701.70
  4. Step 4: Simplify right side
    21,402,452.10x = 441,415,998,035,307.81
  5. Step 5: Solve for x
    x = 441,415,998,035,307.81/21,402,452.10
  6. Step 6: Final answer
    x = 20,624,552.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.