Home / 8,741,639.70-13,112,459.55-8,069,793.30

Finding the Fourth Proportional to 8,741,639.70, 13,112,459.55 and 8,069,793.30

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Solution

The fourth proportional to 8,741,639.70, 13,112,459.55 and 8,069,793.30 is: 12,104,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741,639.70 : 13,112,459.55 = 8,069,793.30 : x
  2. Step 2: Convert to fraction form
    8,741,639.70/13,112,459.55 = 8,069,793.30/x
  3. Step 3: Cross multiply
    8,741,639.70x = 13,112,459.55 × 8,069,793.30
  4. Step 4: Simplify right side
    8,741,639.70x = 105,814,838,223,111.02
  5. Step 5: Solve for x
    x = 105,814,838,223,111.02/8,741,639.70
  6. Step 6: Final answer
    x = 12,104,689.95

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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.