Home / 11,808,009.60-17,712,014.40-8,206,166.40

Finding the Fourth Proportional to 11,808,009.60, 17,712,014.40 and 8,206,166.40

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Solution

The fourth proportional to 11,808,009.60, 17,712,014.40 and 8,206,166.40 is: 12,309,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808,009.60 : 17,712,014.40 = 8,206,166.40 : x
  2. Step 2: Convert to fraction form
    11,808,009.60/17,712,014.40 = 8,206,166.40/x
  3. Step 3: Cross multiply
    11,808,009.60x = 17,712,014.40 × 8,206,166.40
  4. Step 4: Simplify right side
    11,808,009.60x = 145,347,737,445,596.16
  5. Step 5: Solve for x
    x = 145,347,737,445,596.16/11,808,009.60
  6. Step 6: Final answer
    x = 12,309,249.60

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Similar ratio
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1.5x scale

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.