Home / 8,077,176.40-12,115,764.60-7,368,588.40

Finding the Fourth Proportional to 8,077,176.40, 12,115,764.60 and 7,368,588.40

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Solution

The fourth proportional to 8,077,176.40, 12,115,764.60 and 7,368,588.40 is: 11,052,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,176.40 : 12,115,764.60 = 7,368,588.40 : x
  2. Step 2: Convert to fraction form
    8,077,176.40/12,115,764.60 = 7,368,588.40/x
  3. Step 3: Cross multiply
    8,077,176.40x = 12,115,764.60 × 7,368,588.40
  4. Step 4: Simplify right side
    8,077,176.40x = 89,276,082,488,690.64
  5. Step 5: Solve for x
    x = 89,276,082,488,690.64/8,077,176.40
  6. Step 6: Final answer
    x = 11,052,882.60

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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.