Home / 28,465,723.60-42,690,124.40-12,070,766.06

Finding the Fourth Proportional to 28,465,723.60, 42,690,124.40 and 12,070,766.06

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Solution

The fourth proportional to 28,465,723.60, 42,690,124.40 and 12,070,766.06 is: 18,102,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465,723.60 : 42,690,124.40 = 12,070,766.06 : x
  2. Step 2: Convert to fraction form
    28,465,723.60/42,690,124.40 = 12,070,766.06/x
  3. Step 3: Cross multiply
    28,465,723.60x = 42,690,124.40 × 12,070,766.06
  4. Step 4: Simplify right side
    28,465,723.60x = 515,302,504,704,697.88
  5. Step 5: Solve for x
    x = 515,302,504,704,697.88/28,465,723.60
  6. Step 6: Final answer
    x = 18,102,561.24

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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.