Home / 8,258,573.70-12,387,860.55-8,116,856.10

Finding the Fourth Proportional to 8,258,573.70, 12,387,860.55 and 8,116,856.10

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Solution

The fourth proportional to 8,258,573.70, 12,387,860.55 and 8,116,856.10 is: 12,175,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,573.70 : 12,387,860.55 = 8,116,856.10 : x
  2. Step 2: Convert to fraction form
    8,258,573.70/12,387,860.55 = 8,116,856.10/x
  3. Step 3: Cross multiply
    8,258,573.70x = 12,387,860.55 × 8,116,856.10
  4. Step 4: Simplify right side
    8,258,573.70x = 100,550,481,471,216.86
  5. Step 5: Solve for x
    x = 100,550,481,471,216.86/8,258,573.70
  6. Step 6: Final answer
    x = 12,175,284.15

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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.