Home / 20,970,000.93-31,440,377.67-9,292,020.90

Finding the Fourth Proportional to 20,970,000.93, 31,440,377.67 and 9,292,020.90

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Solution

The fourth proportional to 20,970,000.93, 31,440,377.67 and 9,292,020.90 is: 13,931,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,000.93 : 31,440,377.67 = 9,292,020.90 : x
  2. Step 2: Convert to fraction form
    20,970,000.93/31,440,377.67 = 9,292,020.90/x
  3. Step 3: Cross multiply
    20,970,000.93x = 31,440,377.67 × 9,292,020.90
  4. Step 4: Simplify right side
    20,970,000.93x = 292,144,646,413,533.31
  5. Step 5: Solve for x
    x = 292,144,646,413,533.31/20,970,000.93
  6. Step 6: Final answer
    x = 13,931,551.43

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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.