Home / 12,124,490.10-18,186,735.15-4,932,321.90

Finding the Fourth Proportional to 12,124,490.10, 18,186,735.15 and 4,932,321.90

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Solution

The fourth proportional to 12,124,490.10, 18,186,735.15 and 4,932,321.90 is: 7,398,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,490.10 : 18,186,735.15 = 4,932,321.90 : x
  2. Step 2: Convert to fraction form
    12,124,490.10/18,186,735.15 = 4,932,321.90/x
  3. Step 3: Cross multiply
    12,124,490.10x = 18,186,735.15 × 4,932,321.90
  4. Step 4: Simplify right side
    12,124,490.10x = 89,702,832,069,844.78
  5. Step 5: Solve for x
    x = 89,702,832,069,844.78/12,124,490.10
  6. Step 6: Final answer
    x = 7,398,482.85

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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.