Home / 21,448,803.30-29,599,139.96-15,966,693.78

Finding the Fourth Proportional to 21,448,803.30, 29,599,139.96 and 15,966,693.78

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Solution

The fourth proportional to 21,448,803.30, 29,599,139.96 and 15,966,693.78 is: 22,033,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448,803.30 : 29,599,139.96 = 15,966,693.78 : x
  2. Step 2: Convert to fraction form
    21,448,803.30/29,599,139.96 = 15,966,693.78/x
  3. Step 3: Cross multiply
    21,448,803.30x = 29,599,139.96 × 15,966,693.78
  4. Step 4: Simplify right side
    21,448,803.30x = 472,600,403,892,681.44
  5. Step 5: Solve for x
    x = 472,600,403,892,681.44/21,448,803.30
  6. Step 6: Final answer
    x = 22,033,882.14

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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.