Home / 10,790,645.60-16,185,968.40-8,381,446.40

Finding the Fourth Proportional to 10,790,645.60, 16,185,968.40 and 8,381,446.40

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Solution

The fourth proportional to 10,790,645.60, 16,185,968.40 and 8,381,446.40 is: 12,572,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,645.60 : 16,185,968.40 = 8,381,446.40 : x
  2. Step 2: Convert to fraction form
    10,790,645.60/16,185,968.40 = 8,381,446.40/x
  3. Step 3: Cross multiply
    10,790,645.60x = 16,185,968.40 × 8,381,446.40
  4. Step 4: Simplify right side
    10,790,645.60x = 135,661,826,576,693.77
  5. Step 5: Solve for x
    x = 135,661,826,576,693.77/10,790,645.60
  6. Step 6: Final answer
    x = 12,572,169.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.