Home / 9,261,037.75-12,780,232.10-5,186,656.75

Finding the Fourth Proportional to 9,261,037.75, 12,780,232.10 and 5,186,656.75

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Solution

The fourth proportional to 9,261,037.75, 12,780,232.10 and 5,186,656.75 is: 7,157,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261,037.75 : 12,780,232.10 = 5,186,656.75 : x
  2. Step 2: Convert to fraction form
    9,261,037.75/12,780,232.10 = 5,186,656.75/x
  3. Step 3: Cross multiply
    9,261,037.75x = 12,780,232.10 × 5,186,656.75
  4. Step 4: Simplify right side
    9,261,037.75x = 66,286,677,062,098.40
  5. Step 5: Solve for x
    x = 66,286,677,062,098.40/9,261,037.75
  6. Step 6: Final answer
    x = 7,157,586.32

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Double scale
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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.