Home / 31,946,890.40-47,887,676.40-15,747,927.20

Finding the Fourth Proportional to 31,946,890.40, 47,887,676.40 and 15,747,927.20

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Solution

The fourth proportional to 31,946,890.40, 47,887,676.40 and 15,747,927.20 is: 23,605,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946,890.40 : 47,887,676.40 = 15,747,927.20 : x
  2. Step 2: Convert to fraction form
    31,946,890.40/47,887,676.40 = 15,747,927.20/x
  3. Step 3: Cross multiply
    31,946,890.40x = 47,887,676.40 × 15,747,927.20
  4. Step 4: Simplify right side
    31,946,890.40x = 754,131,641,724,358
  5. Step 5: Solve for x
    x = 754,131,641,724,358/31,946,890.40
  6. Step 6: Final answer
    x = 23,605,791.75

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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.