Home / 9,182,954.80-13,774,432.20-8,190,931.60

Finding the Fourth Proportional to 9,182,954.80, 13,774,432.20 and 8,190,931.60

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Solution

The fourth proportional to 9,182,954.80, 13,774,432.20 and 8,190,931.60 is: 12,286,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182,954.80 : 13,774,432.20 = 8,190,931.60 : x
  2. Step 2: Convert to fraction form
    9,182,954.80/13,774,432.20 = 8,190,931.60/x
  3. Step 3: Cross multiply
    9,182,954.80x = 13,774,432.20 × 8,190,931.60
  4. Step 4: Simplify right side
    9,182,954.80x = 112,825,431,979,037.52
  5. Step 5: Solve for x
    x = 112,825,431,979,037.52/9,182,954.80
  6. Step 6: Final answer
    x = 12,286,397.40

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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.