Home / 8,478,027.10-12,717,040.65-8,147,352.70

Finding the Fourth Proportional to 8,478,027.10, 12,717,040.65 and 8,147,352.70

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Solution

The fourth proportional to 8,478,027.10, 12,717,040.65 and 8,147,352.70 is: 12,221,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,027.10 : 12,717,040.65 = 8,147,352.70 : x
  2. Step 2: Convert to fraction form
    8,478,027.10/12,717,040.65 = 8,147,352.70/x
  3. Step 3: Cross multiply
    8,478,027.10x = 12,717,040.65 × 8,147,352.70
  4. Step 4: Simplify right side
    8,478,027.10x = 103,610,215,475,787.27
  5. Step 5: Solve for x
    x = 103,610,215,475,787.27/8,478,027.10
  6. Step 6: Final answer
    x = 12,221,029.05

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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.