Home / 15,719,779.86-21,693,074-8,844,245.52

Finding the Fourth Proportional to 15,719,779.86, 21,693,074 and 8,844,245.52

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Solution

The fourth proportional to 15,719,779.86, 21,693,074 and 8,844,245.52 is: 12,204,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,779.86 : 21,693,074 = 8,844,245.52 : x
  2. Step 2: Convert to fraction form
    15,719,779.86/21,693,074 = 8,844,245.52/x
  3. Step 3: Cross multiply
    15,719,779.86x = 21,693,074 × 8,844,245.52
  4. Step 4: Simplify right side
    15,719,779.86x = 191,858,872,539,528.47
  5. Step 5: Solve for x
    x = 191,858,872,539,528.47/15,719,779.86
  6. Step 6: Final answer
    x = 12,204,933.80

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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.