Home / 20,967,208.32-28,934,688.24-11,799,851.08

Finding the Fourth Proportional to 20,967,208.32, 28,934,688.24 and 11,799,851.08

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Solution

The fourth proportional to 20,967,208.32, 28,934,688.24 and 11,799,851.08 is: 16,283,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967,208.32 : 28,934,688.24 = 11,799,851.08 : x
  2. Step 2: Convert to fraction form
    20,967,208.32/28,934,688.24 = 11,799,851.08/x
  3. Step 3: Cross multiply
    20,967,208.32x = 28,934,688.24 × 11,799,851.08
  4. Step 4: Simplify right side
    20,967,208.32x = 341,425,012,278,227.31
  5. Step 5: Solve for x
    x = 341,425,012,278,227.31/20,967,208.32
  6. Step 6: Final answer
    x = 16,283,761.15

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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.