Home / 15,374,165.54-21,215,337.42-8,846,741.46

Finding the Fourth Proportional to 15,374,165.54, 21,215,337.42 and 8,846,741.46

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Solution

The fourth proportional to 15,374,165.54, 21,215,337.42 and 8,846,741.46 is: 12,207,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374,165.54 : 21,215,337.42 = 8,846,741.46 : x
  2. Step 2: Convert to fraction form
    15,374,165.54/21,215,337.42 = 8,846,741.46/x
  3. Step 3: Cross multiply
    15,374,165.54x = 21,215,337.42 × 8,846,741.46
  4. Step 4: Simplify right side
    15,374,165.54x = 187,686,605,141,403.47
  5. Step 5: Solve for x
    x = 187,686,605,141,403.47/15,374,165.54
  6. Step 6: Final answer
    x = 12,207,921.44

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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.