Home / 28,359,593.43-42,542,036.41-21,977,008.89

Finding the Fourth Proportional to 28,359,593.43, 42,542,036.41 and 21,977,008.89

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Solution

The fourth proportional to 28,359,593.43, 42,542,036.41 and 21,977,008.89 is: 32,967,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359,593.43 : 42,542,036.41 = 21,977,008.89 : x
  2. Step 2: Convert to fraction form
    28,359,593.43/42,542,036.41 = 21,977,008.89/x
  3. Step 3: Cross multiply
    28,359,593.43x = 42,542,036.41 × 21,977,008.89
  4. Step 4: Simplify right side
    28,359,593.43x = 934,946,712,381,273.62
  5. Step 5: Solve for x
    x = 934,946,712,381,273.62/28,359,593.43
  6. Step 6: Final answer
    x = 32,967,564.03

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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.