Home / 12,576,006.20-18,864,009.30-5,386,316.60

Finding the Fourth Proportional to 12,576,006.20, 18,864,009.30 and 5,386,316.60

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Solution

The fourth proportional to 12,576,006.20, 18,864,009.30 and 5,386,316.60 is: 8,079,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,006.20 : 18,864,009.30 = 5,386,316.60 : x
  2. Step 2: Convert to fraction form
    12,576,006.20/18,864,009.30 = 5,386,316.60/x
  3. Step 3: Cross multiply
    12,576,006.20x = 18,864,009.30 × 5,386,316.60
  4. Step 4: Simplify right side
    12,576,006.20x = 101,607,526,435,144.38
  5. Step 5: Solve for x
    x = 101,607,526,435,144.38/12,576,006.20
  6. Step 6: Final answer
    x = 8,079,474.90

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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.