Home / 21,535,382.40-32,291,992.80-6,387,345.60

Finding the Fourth Proportional to 21,535,382.40, 32,291,992.80 and 6,387,345.60

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Solution

The fourth proportional to 21,535,382.40, 32,291,992.80 and 6,387,345.60 is: 9,577,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,535,382.40 : 32,291,992.80 = 6,387,345.60 : x
  2. Step 2: Convert to fraction form
    21,535,382.40/32,291,992.80 = 6,387,345.60/x
  3. Step 3: Cross multiply
    21,535,382.40x = 32,291,992.80 × 6,387,345.60
  4. Step 4: Simplify right side
    21,535,382.40x = 206,260,118,126,311.69
  5. Step 5: Solve for x
    x = 206,260,118,126,311.69/21,535,382.40
  6. Step 6: Final answer
    x = 9,577,731.86

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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.