Home / 10,779,990.40-16,172,318.40-3,207,721.60

Finding the Fourth Proportional to 10,779,990.40, 16,172,318.40 and 3,207,721.60

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Solution

The fourth proportional to 10,779,990.40, 16,172,318.40 and 3,207,721.60 is: 4,812,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,990.40 : 16,172,318.40 = 3,207,721.60 : x
  2. Step 2: Convert to fraction form
    10,779,990.40/16,172,318.40 = 3,207,721.60/x
  3. Step 3: Cross multiply
    10,779,990.40x = 16,172,318.40 × 3,207,721.60
  4. Step 4: Simplify right side
    10,779,990.40x = 51,876,295,053,757.45
  5. Step 5: Solve for x
    x = 51,876,295,053,757.45/10,779,990.40
  6. Step 6: Final answer
    x = 4,812,276.55

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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.