Home / 13,665,845.96-18,859,091.60-8,159,701.92

Finding the Fourth Proportional to 13,665,845.96, 18,859,091.60 and 8,159,701.92

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Solution

The fourth proportional to 13,665,845.96, 18,859,091.60 and 8,159,701.92 is: 11,260,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,845.96 : 18,859,091.60 = 8,159,701.92 : x
  2. Step 2: Convert to fraction form
    13,665,845.96/18,859,091.60 = 8,159,701.92/x
  3. Step 3: Cross multiply
    13,665,845.96x = 18,859,091.60 × 8,159,701.92
  4. Step 4: Simplify right side
    13,665,845.96x = 153,884,565,937,975.88
  5. Step 5: Solve for x
    x = 153,884,565,937,975.88/13,665,845.96
  6. Step 6: Final answer
    x = 11,260,522.50

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1.5x scale

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.