Home / 12,367,079.90-18,545,371.05-5,979,290.30

Finding the Fourth Proportional to 12,367,079.90, 18,545,371.05 and 5,979,290.30

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Solution

The fourth proportional to 12,367,079.90, 18,545,371.05 and 5,979,290.30 is: 8,966,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367,079.90 : 18,545,371.05 = 5,979,290.30 : x
  2. Step 2: Convert to fraction form
    12,367,079.90/18,545,371.05 = 5,979,290.30/x
  3. Step 3: Cross multiply
    12,367,079.90x = 18,545,371.05 × 5,979,290.30
  4. Step 4: Simplify right side
    12,367,079.90x = 110,888,157,229,165.81
  5. Step 5: Solve for x
    x = 110,888,157,229,165.81/12,367,079.90
  6. Step 6: Final answer
    x = 8,966,397.74

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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.