Home / 12,889,652.22-17,787,365.34-7,088,433.98

Finding the Fourth Proportional to 12,889,652.22, 17,787,365.34 and 7,088,433.98

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Solution

The fourth proportional to 12,889,652.22, 17,787,365.34 and 7,088,433.98 is: 9,781,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889,652.22 : 17,787,365.34 = 7,088,433.98 : x
  2. Step 2: Convert to fraction form
    12,889,652.22/17,787,365.34 = 7,088,433.98/x
  3. Step 3: Cross multiply
    12,889,652.22x = 17,787,365.34 × 7,088,433.98
  4. Step 4: Simplify right side
    12,889,652.22x = 126,084,564,801,793.42
  5. Step 5: Solve for x
    x = 126,084,564,801,793.42/12,889,652.22
  6. Step 6: Final answer
    x = 9,781,843.81

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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.