Home / 42,521,331.38-58,697,575.43-28,590,761.03

Finding the Fourth Proportional to 42,521,331.38, 58,697,575.43 and 28,590,761.03

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Solution

The fourth proportional to 42,521,331.38, 58,697,575.43 and 28,590,761.03 is: 39,467,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,521,331.38 : 58,697,575.43 = 28,590,761.03 : x
  2. Step 2: Convert to fraction form
    42,521,331.38/58,697,575.43 = 28,590,761.03/x
  3. Step 3: Cross multiply
    42,521,331.38x = 58,697,575.43 × 28,590,761.03
  4. Step 4: Simplify right side
    42,521,331.38x = 1,678,208,351,723,087.75
  5. Step 5: Solve for x
    x = 1,678,208,351,723,087.75/42,521,331.38
  6. Step 6: Final answer
    x = 39,467,446.04

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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.