Home / 15,057,350.88-20,779,275.69-8,181,832.74

Finding the Fourth Proportional to 15,057,350.88, 20,779,275.69 and 8,181,832.74

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Solution

The fourth proportional to 15,057,350.88, 20,779,275.69 and 8,181,832.74 is: 11,291,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,350.88 : 20,779,275.69 = 8,181,832.74 : x
  2. Step 2: Convert to fraction form
    15,057,350.88/20,779,275.69 = 8,181,832.74/x
  3. Step 3: Cross multiply
    15,057,350.88x = 20,779,275.69 × 8,181,832.74
  4. Step 4: Simplify right side
    15,057,350.88x = 170,012,558,153,928.09
  5. Step 5: Solve for x
    x = 170,012,558,153,928.09/15,057,350.88
  6. Step 6: Final answer
    x = 11,291,000.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.