Home / 13,374,949.10-18,457,432.42-8,147,956.91

Finding the Fourth Proportional to 13,374,949.10, 18,457,432.42 and 8,147,956.91

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Solution

The fourth proportional to 13,374,949.10, 18,457,432.42 and 8,147,956.91 is: 11,244,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,949.10 : 18,457,432.42 = 8,147,956.91 : x
  2. Step 2: Convert to fraction form
    13,374,949.10/18,457,432.42 = 8,147,956.91/x
  3. Step 3: Cross multiply
    13,374,949.10x = 18,457,432.42 × 8,147,956.91
  4. Step 4: Simplify right side
    13,374,949.10x = 150,390,364,068,216.69
  5. Step 5: Solve for x
    x = 150,390,364,068,216.69/13,374,949.10
  6. Step 6: Final answer
    x = 11,244,182.16

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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.