Home / 10,115,707.86-13,956,489.86-6,191,372.88

Finding the Fourth Proportional to 10,115,707.86, 13,956,489.86 and 6,191,372.88

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Solution

The fourth proportional to 10,115,707.86, 13,956,489.86 and 6,191,372.88 is: 8,542,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,707.86 : 13,956,489.86 = 6,191,372.88 : x
  2. Step 2: Convert to fraction form
    10,115,707.86/13,956,489.86 = 6,191,372.88/x
  3. Step 3: Cross multiply
    10,115,707.86x = 13,956,489.86 × 6,191,372.88
  4. Step 4: Simplify right side
    10,115,707.86x = 86,409,832,788,242.14
  5. Step 5: Solve for x
    x = 86,409,832,788,242.14/10,115,707.86
  6. Step 6: Final answer
    x = 8,542,143.96

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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.