Home / 31,189,487.52-43,023,096-19,566,872.80

Finding the Fourth Proportional to 31,189,487.52, 43,023,096 and 19,566,872.80

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Solution

The fourth proportional to 31,189,487.52, 43,023,096 and 19,566,872.80 is: 26,990,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189,487.52 : 43,023,096 = 19,566,872.80 : x
  2. Step 2: Convert to fraction form
    31,189,487.52/43,023,096 = 19,566,872.80/x
  3. Step 3: Cross multiply
    31,189,487.52x = 43,023,096 × 19,566,872.80
  4. Step 4: Simplify right side
    31,189,487.52x = 841,827,446,894,188.88
  5. Step 5: Solve for x
    x = 841,827,446,894,188.88/31,189,487.52
  6. Step 6: Final answer
    x = 26,990,743.16

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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.