Home / 47,399,600.88-71,099,400.47-13,320,946.76

Finding the Fourth Proportional to 47,399,600.88, 71,099,400.47 and 13,320,946.76

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Solution

The fourth proportional to 47,399,600.88, 71,099,400.47 and 13,320,946.76 is: 19,981,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399,600.88 : 71,099,400.47 = 13,320,946.76 : x
  2. Step 2: Convert to fraction form
    47,399,600.88/71,099,400.47 = 13,320,946.76/x
  3. Step 3: Cross multiply
    47,399,600.88x = 71,099,400.47 × 13,320,946.76
  4. Step 4: Simplify right side
    47,399,600.88x = 947,111,327,906,687.38
  5. Step 5: Solve for x
    x = 947,111,327,906,687.38/47,399,600.88
  6. Step 6: Final answer
    x = 19,981,419.89

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1.5x scale

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.