Home / 15,141,978.47-20,895,822.82-8,266,460.33

Finding the Fourth Proportional to 15,141,978.47, 20,895,822.82 and 8,266,460.33

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Solution

The fourth proportional to 15,141,978.47, 20,895,822.82 and 8,266,460.33 is: 11,407,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,978.47 : 20,895,822.82 = 8,266,460.33 : x
  2. Step 2: Convert to fraction form
    15,141,978.47/20,895,822.82 = 8,266,460.33/x
  3. Step 3: Cross multiply
    15,141,978.47x = 20,895,822.82 × 8,266,460.33
  4. Step 4: Simplify right side
    15,141,978.47x = 172,734,490,466,811.34
  5. Step 5: Solve for x
    x = 172,734,490,466,811.34/15,141,978.47
  6. Step 6: Final answer
    x = 11,407,656.59

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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.