Home / 12,366,349.20-18,549,523.80-5,989,057.20

Finding the Fourth Proportional to 12,366,349.20, 18,549,523.80 and 5,989,057.20

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Solution

The fourth proportional to 12,366,349.20, 18,549,523.80 and 5,989,057.20 is: 8,983,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,349.20 : 18,549,523.80 = 5,989,057.20 : x
  2. Step 2: Convert to fraction form
    12,366,349.20/18,549,523.80 = 5,989,057.20/x
  3. Step 3: Cross multiply
    12,366,349.20x = 18,549,523.80 × 5,989,057.20
  4. Step 4: Simplify right side
    12,366,349.20x = 111,094,159,070,961.38
  5. Step 5: Solve for x
    x = 111,094,159,070,961.38/12,366,349.20
  6. Step 6: Final answer
    x = 8,983,585.80

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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.