Home / 12,225,407.40-18,338,111.10-3,704,636.70

Finding the Fourth Proportional to 12,225,407.40, 18,338,111.10 and 3,704,636.70

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Solution

The fourth proportional to 12,225,407.40, 18,338,111.10 and 3,704,636.70 is: 5,556,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,407.40 : 18,338,111.10 = 3,704,636.70 : x
  2. Step 2: Convert to fraction form
    12,225,407.40/18,338,111.10 = 3,704,636.70/x
  3. Step 3: Cross multiply
    12,225,407.40x = 18,338,111.10 × 3,704,636.70
  4. Step 4: Simplify right side
    12,225,407.40x = 67,936,039,389,737.38
  5. Step 5: Solve for x
    x = 67,936,039,389,737.38/12,225,407.40
  6. Step 6: Final answer
    x = 5,556,955.05

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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.