Home / 18,187,871.60-27,281,807.40-15,796,387.10

Finding the Fourth Proportional to 18,187,871.60, 27,281,807.40 and 15,796,387.10

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Solution

The fourth proportional to 18,187,871.60, 27,281,807.40 and 15,796,387.10 is: 23,694,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,871.60 : 27,281,807.40 = 15,796,387.10 : x
  2. Step 2: Convert to fraction form
    18,187,871.60/27,281,807.40 = 15,796,387.10/x
  3. Step 3: Cross multiply
    18,187,871.60x = 27,281,807.40 × 15,796,387.10
  4. Step 4: Simplify right side
    18,187,871.60x = 430,953,990,478,044.50
  5. Step 5: Solve for x
    x = 430,953,990,478,044.50/18,187,871.60
  6. Step 6: Final answer
    x = 23,694,580.65

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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.