Home / 12,287,375.64-18,406,389.24-6,120,784.08

Finding the Fourth Proportional to 12,287,375.64, 18,406,389.24 and 6,120,784.08

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Solution

The fourth proportional to 12,287,375.64, 18,406,389.24 and 6,120,784.08 is: 9,168,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,375.64 : 18,406,389.24 = 6,120,784.08 : x
  2. Step 2: Convert to fraction form
    12,287,375.64/18,406,389.24 = 6,120,784.08/x
  3. Step 3: Cross multiply
    12,287,375.64x = 18,406,389.24 × 6,120,784.08
  4. Step 4: Simplify right side
    12,287,375.64x = 112,661,534,230,475.30
  5. Step 5: Solve for x
    x = 112,661,534,230,475.30/12,287,375.64
  6. Step 6: Final answer
    x = 9,168,885.00

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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.