Home / 15,182,837.97-20,952,270.16-8,213,513.35

Finding the Fourth Proportional to 15,182,837.97, 20,952,270.16 and 8,213,513.35

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Solution

The fourth proportional to 15,182,837.97, 20,952,270.16 and 8,213,513.35 is: 11,334,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182,837.97 : 20,952,270.16 = 8,213,513.35 : x
  2. Step 2: Convert to fraction form
    15,182,837.97/20,952,270.16 = 8,213,513.35/x
  3. Step 3: Cross multiply
    15,182,837.97x = 20,952,270.16 × 8,213,513.35
  4. Step 4: Simplify right side
    15,182,837.97x = 172,091,750,671,966.62
  5. Step 5: Solve for x
    x = 172,091,750,671,966.62/15,182,837.97
  6. Step 6: Final answer
    x = 11,334,623.41

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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.