Home / 14,011,503.60-21,017,255.40-8,342,799.60

Finding the Fourth Proportional to 14,011,503.60, 21,017,255.40 and 8,342,799.60

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Solution

The fourth proportional to 14,011,503.60, 21,017,255.40 and 8,342,799.60 is: 12,514,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011,503.60 : 21,017,255.40 = 8,342,799.60 : x
  2. Step 2: Convert to fraction form
    14,011,503.60/21,017,255.40 = 8,342,799.60/x
  3. Step 3: Cross multiply
    14,011,503.60x = 21,017,255.40 × 8,342,799.60
  4. Step 4: Simplify right side
    14,011,503.60x = 175,342,749,944,217.81
  5. Step 5: Solve for x
    x = 175,342,749,944,217.81/14,011,503.60
  6. Step 6: Final answer
    x = 12,514,199.40

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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.