Home / 12,482,023.80-18,723,035.70-11,785,294.20

Finding the Fourth Proportional to 12,482,023.80, 18,723,035.70 and 11,785,294.20

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Solution

The fourth proportional to 12,482,023.80, 18,723,035.70 and 11,785,294.20 is: 17,677,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,023.80 : 18,723,035.70 = 11,785,294.20 : x
  2. Step 2: Convert to fraction form
    12,482,023.80/18,723,035.70 = 11,785,294.20/x
  3. Step 3: Cross multiply
    12,482,023.80x = 18,723,035.70 × 11,785,294.20
  4. Step 4: Simplify right side
    12,482,023.80x = 220,656,484,041,602.91
  5. Step 5: Solve for x
    x = 220,656,484,041,602.91/12,482,023.80
  6. Step 6: Final answer
    x = 17,677,941.30

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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.