Home / 12,109,350.36-18,164,026-4,921,445.30

Finding the Fourth Proportional to 12,109,350.36, 18,164,026 and 4,921,445.30

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Solution

The fourth proportional to 12,109,350.36, 18,164,026 and 4,921,445.30 is: 7,382,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,350.36 : 18,164,026 = 4,921,445.30 : x
  2. Step 2: Convert to fraction form
    12,109,350.36/18,164,026 = 4,921,445.30/x
  3. Step 3: Cross multiply
    12,109,350.36x = 18,164,026 × 4,921,445.30
  4. Step 4: Simplify right side
    12,109,350.36x = 89,393,260,386,777.80
  5. Step 5: Solve for x
    x = 89,393,260,386,777.80/12,109,350.36
  6. Step 6: Final answer
    x = 7,382,168.14

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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.