Home / 13,392,032.70-20,088,049.05-8,605,127.10

Finding the Fourth Proportional to 13,392,032.70, 20,088,049.05 and 8,605,127.10

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Solution

The fourth proportional to 13,392,032.70, 20,088,049.05 and 8,605,127.10 is: 12,907,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392,032.70 : 20,088,049.05 = 8,605,127.10 : x
  2. Step 2: Convert to fraction form
    13,392,032.70/20,088,049.05 = 8,605,127.10/x
  3. Step 3: Cross multiply
    13,392,032.70x = 20,088,049.05 × 8,605,127.10
  4. Step 4: Simplify right side
    13,392,032.70x = 172,860,215,266,284.25
  5. Step 5: Solve for x
    x = 172,860,215,266,284.25/13,392,032.70
  6. Step 6: Final answer
    x = 12,907,690.65

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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.