Home / 31,455,023.24-47,160,599.42-13,938,053.20

Finding the Fourth Proportional to 31,455,023.24, 47,160,599.42 and 13,938,053.20

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Solution

The fourth proportional to 31,455,023.24, 47,160,599.42 and 13,938,053.20 is: 20,897,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,023.24 : 47,160,599.42 = 13,938,053.20 : x
  2. Step 2: Convert to fraction form
    31,455,023.24/47,160,599.42 = 13,938,053.20/x
  3. Step 3: Cross multiply
    31,455,023.24x = 47,160,599.42 × 13,938,053.20
  4. Step 4: Simplify right side
    31,455,023.24x = 657,326,943,659,849.12
  5. Step 5: Solve for x
    x = 657,326,943,659,849.12/31,455,023.24
  6. Step 6: Final answer
    x = 20,897,359.97

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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.