Home / 28,526,997.88-42,752,644.71-15,539,831.29

Finding the Fourth Proportional to 28,526,997.88, 42,752,644.71 and 15,539,831.29

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Solution

The fourth proportional to 28,526,997.88, 42,752,644.71 and 15,539,831.29 is: 23,289,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526,997.88 : 42,752,644.71 = 15,539,831.29 : x
  2. Step 2: Convert to fraction form
    28,526,997.88/42,752,644.71 = 15,539,831.29/x
  3. Step 3: Cross multiply
    28,526,997.88x = 42,752,644.71 × 15,539,831.29
  4. Step 4: Simplify right side
    28,526,997.88x = 664,368,885,994,711
  5. Step 5: Solve for x
    x = 664,368,885,994,711/28,526,997.88
  6. Step 6: Final answer
    x = 23,289,127.33

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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.