Home / 12,209,520.20-18,316,904.70-3,690,717.80

Finding the Fourth Proportional to 12,209,520.20, 18,316,904.70 and 3,690,717.80

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Solution

The fourth proportional to 12,209,520.20, 18,316,904.70 and 3,690,717.80 is: 5,536,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,520.20 : 18,316,904.70 = 3,690,717.80 : x
  2. Step 2: Convert to fraction form
    12,209,520.20/18,316,904.70 = 3,690,717.80/x
  3. Step 3: Cross multiply
    12,209,520.20x = 18,316,904.70 × 3,690,717.80
  4. Step 4: Simplify right side
    12,209,520.20x = 67,602,526,217,193.66
  5. Step 5: Solve for x
    x = 67,602,526,217,193.66/12,209,520.20
  6. Step 6: Final answer
    x = 5,536,870.01

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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.