Home / 31,120,833.60-46,681,250.40-15,815,332.80

Finding the Fourth Proportional to 31,120,833.60, 46,681,250.40 and 15,815,332.80

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Solution

The fourth proportional to 31,120,833.60, 46,681,250.40 and 15,815,332.80 is: 23,722,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120,833.60 : 46,681,250.40 = 15,815,332.80 : x
  2. Step 2: Convert to fraction form
    31,120,833.60/46,681,250.40 = 15,815,332.80/x
  3. Step 3: Cross multiply
    31,120,833.60x = 46,681,250.40 × 15,815,332.80
  4. Step 4: Simplify right side
    31,120,833.60x = 738,279,510,596,133.12
  5. Step 5: Solve for x
    x = 738,279,510,596,133.12/31,120,833.60
  6. Step 6: Final answer
    x = 23,722,999.20

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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.