Home / 37,730,679.20-56,568,025.20-12,156,970.40

Finding the Fourth Proportional to 37,730,679.20, 56,568,025.20 and 12,156,970.40

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Solution

The fourth proportional to 37,730,679.20, 56,568,025.20 and 12,156,970.40 is: 18,226,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,730,679.20 : 56,568,025.20 = 12,156,970.40 : x
  2. Step 2: Convert to fraction form
    37,730,679.20/56,568,025.20 = 12,156,970.40/x
  3. Step 3: Cross multiply
    37,730,679.20x = 56,568,025.20 × 12,156,970.40
  4. Step 4: Simplify right side
    37,730,679.20x = 687,695,807,942,854.12
  5. Step 5: Solve for x
    x = 687,695,807,942,854.12/37,730,679.20
  6. Step 6: Final answer
    x = 18,226,435.95

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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.