Home / 8,085,376.20-12,128,064.30-5,806,084.80

Finding the Fourth Proportional to 8,085,376.20, 12,128,064.30 and 5,806,084.80

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Solution

The fourth proportional to 8,085,376.20, 12,128,064.30 and 5,806,084.80 is: 8,709,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,376.20 : 12,128,064.30 = 5,806,084.80 : x
  2. Step 2: Convert to fraction form
    8,085,376.20/12,128,064.30 = 5,806,084.80/x
  3. Step 3: Cross multiply
    8,085,376.20x = 12,128,064.30 × 5,806,084.80
  4. Step 4: Simplify right side
    8,085,376.20x = 70,416,569,785,652.64
  5. Step 5: Solve for x
    x = 70,416,569,785,652.64/8,085,376.20
  6. Step 6: Final answer
    x = 8,709,127.20

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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.