Home / 31,120,829.60-46,681,244.40-15,815,328.80

Finding the Fourth Proportional to 31,120,829.60, 46,681,244.40 and 15,815,328.80

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Solution

The fourth proportional to 31,120,829.60, 46,681,244.40 and 15,815,328.80 is: 23,722,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120,829.60 : 46,681,244.40 = 15,815,328.80 : x
  2. Step 2: Convert to fraction form
    31,120,829.60/46,681,244.40 = 15,815,328.80/x
  3. Step 3: Cross multiply
    31,120,829.60x = 46,681,244.40 × 15,815,328.80
  4. Step 4: Simplify right side
    31,120,829.60x = 738,279,228,979,158.75
  5. Step 5: Solve for x
    x = 738,279,228,979,158.75/31,120,829.60
  6. Step 6: Final answer
    x = 23,722,993.20

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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.