Home / 15,337,203.16-21,166,605.12-8,723,862.88

Finding the Fourth Proportional to 15,337,203.16, 21,166,605.12 and 8,723,862.88

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Solution

The fourth proportional to 15,337,203.16, 21,166,605.12 and 8,723,862.88 is: 12,039,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337,203.16 : 21,166,605.12 = 8,723,862.88 : x
  2. Step 2: Convert to fraction form
    15,337,203.16/21,166,605.12 = 8,723,862.88/x
  3. Step 3: Cross multiply
    15,337,203.16x = 21,166,605.12 × 8,723,862.88
  4. Step 4: Simplify right side
    15,337,203.16x = 184,654,560,701,985.97
  5. Step 5: Solve for x
    x = 184,654,560,701,985.97/15,337,203.16
  6. Step 6: Final answer
    x = 12,039,650.17

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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.