Home / 13,761,798.09-20,642,981.45-5,007,776.55

Finding the Fourth Proportional to 13,761,798.09, 20,642,981.45 and 5,007,776.55

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Solution

The fourth proportional to 13,761,798.09, 20,642,981.45 and 5,007,776.55 is: 7,511,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761,798.09 : 20,642,981.45 = 5,007,776.55 : x
  2. Step 2: Convert to fraction form
    13,761,798.09/20,642,981.45 = 5,007,776.55/x
  3. Step 3: Cross multiply
    13,761,798.09x = 20,642,981.45 × 5,007,776.55
  4. Step 4: Simplify right side
    13,761,798.09x = 103,375,438,402,356.11
  5. Step 5: Solve for x
    x = 103,375,438,402,356.11/13,761,798.09
  6. Step 6: Final answer
    x = 7,511,768.28

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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.