Home / 8,693,869.20-13,040,803.80-5,460,608.40

Finding the Fourth Proportional to 8,693,869.20, 13,040,803.80 and 5,460,608.40

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Solution

The fourth proportional to 8,693,869.20, 13,040,803.80 and 5,460,608.40 is: 8,190,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,869.20 : 13,040,803.80 = 5,460,608.40 : x
  2. Step 2: Convert to fraction form
    8,693,869.20/13,040,803.80 = 5,460,608.40/x
  3. Step 3: Cross multiply
    8,693,869.20x = 13,040,803.80 × 5,460,608.40
  4. Step 4: Simplify right side
    8,693,869.20x = 71,210,722,773,031.92
  5. Step 5: Solve for x
    x = 71,210,722,773,031.92/8,693,869.20
  6. Step 6: Final answer
    x = 8,190,912.60

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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.