Home / 31,687,444.55-47,530,656.53-10,121,904.11

Finding the Fourth Proportional to 31,687,444.55, 47,530,656.53 and 10,121,904.11

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Solution

The fourth proportional to 31,687,444.55, 47,530,656.53 and 10,121,904.11 is: 15,182,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,687,444.55 : 47,530,656.53 = 10,121,904.11 : x
  2. Step 2: Convert to fraction form
    31,687,444.55/47,530,656.53 = 10,121,904.11/x
  3. Step 3: Cross multiply
    31,687,444.55x = 47,530,656.53 × 10,121,904.11
  4. Step 4: Simplify right side
    31,687,444.55x = 481,100,747,788,179.69
  5. Step 5: Solve for x
    x = 481,100,747,788,179.69/31,687,444.55
  6. Step 6: Final answer
    x = 15,182,693.16

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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.