Home / 10,779,351.60-16,169,027.40-6,468,337.20

Finding the Fourth Proportional to 10,779,351.60, 16,169,027.40 and 6,468,337.20

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Solution

The fourth proportional to 10,779,351.60, 16,169,027.40 and 6,468,337.20 is: 9,702,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,351.60 : 16,169,027.40 = 6,468,337.20 : x
  2. Step 2: Convert to fraction form
    10,779,351.60/16,169,027.40 = 6,468,337.20/x
  3. Step 3: Cross multiply
    10,779,351.60x = 16,169,027.40 × 6,468,337.20
  4. Step 4: Simplify right side
    10,779,351.60x = 104,586,721,419,239.28
  5. Step 5: Solve for x
    x = 104,586,721,419,239.28/10,779,351.60
  6. Step 6: Final answer
    x = 9,702,505.80

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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.