Home / 12,283,792.20-18,425,688.30-12,124,359.90

Finding the Fourth Proportional to 12,283,792.20, 18,425,688.30 and 12,124,359.90

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Solution

The fourth proportional to 12,283,792.20, 18,425,688.30 and 12,124,359.90 is: 18,186,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283,792.20 : 18,425,688.30 = 12,124,359.90 : x
  2. Step 2: Convert to fraction form
    12,283,792.20/18,425,688.30 = 12,124,359.90/x
  3. Step 3: Cross multiply
    12,283,792.20x = 18,425,688.30 × 12,124,359.90
  4. Step 4: Simplify right side
    12,283,792.20x = 223,399,676,354,419.19
  5. Step 5: Solve for x
    x = 223,399,676,354,419.19/12,283,792.20
  6. Step 6: Final answer
    x = 18,186,539.85

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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.