Home / 15,179,797.71-22,748,438.52-7,980,543.63

Finding the Fourth Proportional to 15,179,797.71, 22,748,438.52 and 7,980,543.63

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Solution

The fourth proportional to 15,179,797.71, 22,748,438.52 and 7,980,543.63 is: 11,959,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179,797.71 : 22,748,438.52 = 7,980,543.63 : x
  2. Step 2: Convert to fraction form
    15,179,797.71/22,748,438.52 = 7,980,543.63/x
  3. Step 3: Cross multiply
    15,179,797.71x = 22,748,438.52 × 7,980,543.63
  4. Step 4: Simplify right side
    15,179,797.71x = 181,544,906,123,232.62
  5. Step 5: Solve for x
    x = 181,544,906,123,232.62/15,179,797.71
  6. Step 6: Final answer
    x = 11,959,639.36

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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.