Home / 37,730,678.20-56,568,023.70-12,156,969.40

Finding the Fourth Proportional to 37,730,678.20, 56,568,023.70 and 12,156,969.40

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Solution

The fourth proportional to 37,730,678.20, 56,568,023.70 and 12,156,969.40 is: 18,226,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,730,678.20 : 56,568,023.70 = 12,156,969.40 : x
  2. Step 2: Convert to fraction form
    37,730,678.20/56,568,023.70 = 12,156,969.40/x
  3. Step 3: Cross multiply
    37,730,678.20x = 56,568,023.70 × 12,156,969.40
  4. Step 4: Simplify right side
    37,730,678.20x = 687,695,733,139,374.88
  5. Step 5: Solve for x
    x = 687,695,733,139,374.88/37,730,678.20
  6. Step 6: Final answer
    x = 18,226,434.45

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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.