Home / 20,385,590.46-30,578,448.59-5,032,881.90

Finding the Fourth Proportional to 20,385,590.46, 30,578,448.59 and 5,032,881.90

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Solution

The fourth proportional to 20,385,590.46, 30,578,448.59 and 5,032,881.90 is: 7,549,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385,590.46 : 30,578,448.59 = 5,032,881.90 : x
  2. Step 2: Convert to fraction form
    20,385,590.46/30,578,448.59 = 5,032,881.90/x
  3. Step 3: Cross multiply
    20,385,590.46x = 30,578,448.59 × 5,032,881.90
  4. Step 4: Simplify right side
    20,385,590.46x = 153,897,720,438,691.53
  5. Step 5: Solve for x
    x = 153,897,720,438,691.53/20,385,590.46
  6. Step 6: Final answer
    x = 7,549,338.38

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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.