Home / 8,305,036.10-12,457,554.15-7,360,252.10

Finding the Fourth Proportional to 8,305,036.10, 12,457,554.15 and 7,360,252.10

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Solution

The fourth proportional to 8,305,036.10, 12,457,554.15 and 7,360,252.10 is: 11,040,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,036.10 : 12,457,554.15 = 7,360,252.10 : x
  2. Step 2: Convert to fraction form
    8,305,036.10/12,457,554.15 = 7,360,252.10/x
  3. Step 3: Cross multiply
    8,305,036.10x = 12,457,554.15 × 7,360,252.10
  4. Step 4: Simplify right side
    8,305,036.10x = 91,690,739,093,401.22
  5. Step 5: Solve for x
    x = 91,690,739,093,401.22/8,305,036.10
  6. Step 6: Final answer
    x = 11,040,378.15

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Double scale
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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.