Home / 8,931,009.20-13,396,513.80-6,229,626.80

Finding the Fourth Proportional to 8,931,009.20, 13,396,513.80 and 6,229,626.80

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Solution

The fourth proportional to 8,931,009.20, 13,396,513.80 and 6,229,626.80 is: 9,344,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,009.20 : 13,396,513.80 = 6,229,626.80 : x
  2. Step 2: Convert to fraction form
    8,931,009.20/13,396,513.80 = 6,229,626.80/x
  3. Step 3: Cross multiply
    8,931,009.20x = 13,396,513.80 × 6,229,626.80
  4. Step 4: Simplify right side
    8,931,009.20x = 83,455,281,395,049.84
  5. Step 5: Solve for x
    x = 83,455,281,395,049.84/8,931,009.20
  6. Step 6: Final answer
    x = 9,344,440.20

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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.