Home / 15,179,845.71-22,748,510.52-7,980,591.63

Finding the Fourth Proportional to 15,179,845.71, 22,748,510.52 and 7,980,591.63

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Solution

The fourth proportional to 15,179,845.71, 22,748,510.52 and 7,980,591.63 is: 11,959,711.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179,845.71 : 22,748,510.52 = 7,980,591.63 : x
  2. Step 2: Convert to fraction form
    15,179,845.71/22,748,510.52 = 7,980,591.63/x
  3. Step 3: Cross multiply
    15,179,845.71x = 22,748,510.52 × 7,980,591.63
  4. Step 4: Simplify right side
    15,179,845.71x = 181,546,572,650,878.94
  5. Step 5: Solve for x
    x = 181,546,572,650,878.94/15,179,845.71
  6. Step 6: Final answer
    x = 11,959,711.33

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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.