Home / 31,545,400.60-47,291,856.90-13,363,557.40

Finding the Fourth Proportional to 31,545,400.60, 47,291,856.90 and 13,363,557.40

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Solution

The fourth proportional to 31,545,400.60, 47,291,856.90 and 13,363,557.40 is: 20,034,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545,400.60 : 47,291,856.90 = 13,363,557.40 : x
  2. Step 2: Convert to fraction form
    31,545,400.60/47,291,856.90 = 13,363,557.40/x
  3. Step 3: Cross multiply
    31,545,400.60x = 47,291,856.90 × 13,363,557.40
  4. Step 4: Simplify right side
    31,545,400.60x = 631,987,444,235,736
  5. Step 5: Solve for x
    x = 631,987,444,235,736/31,545,400.60
  6. Step 6: Final answer
    x = 20,034,218.37

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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.