Home / 15,138,006.59-20,917,775.50-10,779,526.10

Finding the Fourth Proportional to 15,138,006.59, 20,917,775.50 and 10,779,526.10

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Solution

The fourth proportional to 15,138,006.59, 20,917,775.50 and 10,779,526.10 is: 14,895,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138,006.59 : 20,917,775.50 = 10,779,526.10 : x
  2. Step 2: Convert to fraction form
    15,138,006.59/20,917,775.50 = 10,779,526.10/x
  3. Step 3: Cross multiply
    15,138,006.59x = 20,917,775.50 × 10,779,526.10
  4. Step 4: Simplify right side
    15,138,006.59x = 225,483,706,981,536.12
  5. Step 5: Solve for x
    x = 225,483,706,981,536.12/15,138,006.59
  6. Step 6: Final answer
    x = 14,895,204.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.