Home / 21,210,272.66-31,829,359.28-11,632,377.17

Finding the Fourth Proportional to 21,210,272.66, 31,829,359.28 and 11,632,377.17

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Solution

The fourth proportional to 21,210,272.66, 31,829,359.28 and 11,632,377.17 is: 17,456,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,210,272.66 : 31,829,359.28 = 11,632,377.17 : x
  2. Step 2: Convert to fraction form
    21,210,272.66/31,829,359.28 = 11,632,377.17/x
  3. Step 3: Cross multiply
    21,210,272.66x = 31,829,359.28 × 11,632,377.17
  4. Step 4: Simplify right side
    21,210,272.66x = 370,251,112,224,399.62
  5. Step 5: Solve for x
    x = 370,251,112,224,399.62/21,210,272.66
  6. Step 6: Final answer
    x = 17,456,216.53

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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.