Home / 8,785,972.80-13,186,832.40-7,589,246.40

Finding the Fourth Proportional to 8,785,972.80, 13,186,832.40 and 7,589,246.40

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Solution

The fourth proportional to 8,785,972.80, 13,186,832.40 and 7,589,246.40 is: 11,390,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,972.80 : 13,186,832.40 = 7,589,246.40 : x
  2. Step 2: Convert to fraction form
    8,785,972.80/13,186,832.40 = 7,589,246.40/x
  3. Step 3: Cross multiply
    8,785,972.80x = 13,186,832.40 × 7,589,246.40
  4. Step 4: Simplify right side
    8,785,972.80x = 100,078,120,319,103.38
  5. Step 5: Solve for x
    x = 100,078,120,319,103.38/8,785,972.80
  6. Step 6: Final answer
    x = 11,390,670.40

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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.