Home / 47,959,876.42-71,912,277.02-18,779,550.23

Finding the Fourth Proportional to 47,959,876.42, 71,912,277.02 and 18,779,550.23

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Solution

The fourth proportional to 47,959,876.42, 71,912,277.02 and 18,779,550.23 is: 28,158,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,959,876.42 : 71,912,277.02 = 18,779,550.23 : x
  2. Step 2: Convert to fraction form
    47,959,876.42/71,912,277.02 = 18,779,550.23/x
  3. Step 3: Cross multiply
    47,959,876.42x = 71,912,277.02 × 18,779,550.23
  4. Step 4: Simplify right side
    47,959,876.42x = 1,350,480,218,677,494.25
  5. Step 5: Solve for x
    x = 1,350,480,218,677,494.25/47,959,876.42
  6. Step 6: Final answer
    x = 28,158,542.51

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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.