Home / 18,684,007.20-28,026,010.80-18,432,064.80

Finding the Fourth Proportional to 18,684,007.20, 28,026,010.80 and 18,432,064.80

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Solution

The fourth proportional to 18,684,007.20, 28,026,010.80 and 18,432,064.80 is: 27,648,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,007.20 : 28,026,010.80 = 18,432,064.80 : x
  2. Step 2: Convert to fraction form
    18,684,007.20/28,026,010.80 = 18,432,064.80/x
  3. Step 3: Cross multiply
    18,684,007.20x = 28,026,010.80 × 18,432,064.80
  4. Step 4: Simplify right side
    18,684,007.20x = 516,577,247,151,099.88
  5. Step 5: Solve for x
    x = 516,577,247,151,099.88/18,684,007.20
  6. Step 6: Final answer
    x = 27,648,097.20

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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.