Home / 31,428,000.60-47,155,997.70-14,379,898.20

Finding the Fourth Proportional to 31,428,000.60, 47,155,997.70 and 14,379,898.20

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Solution

The fourth proportional to 31,428,000.60, 47,155,997.70 and 14,379,898.20 is: 21,576,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,428,000.60 : 47,155,997.70 = 14,379,898.20 : x
  2. Step 2: Convert to fraction form
    31,428,000.60/47,155,997.70 = 14,379,898.20/x
  3. Step 3: Cross multiply
    31,428,000.60x = 47,155,997.70 × 14,379,898.20
  4. Step 4: Simplify right side
    31,428,000.60x = 678,098,446,445,434.12
  5. Step 5: Solve for x
    x = 678,098,446,445,434.12/31,428,000.60
  6. Step 6: Final answer
    x = 21,576,251.54

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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.