Home / 8,085,223.20-12,127,834.80-7,500,638.10

Finding the Fourth Proportional to 8,085,223.20, 12,127,834.80 and 7,500,638.10

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Solution

The fourth proportional to 8,085,223.20, 12,127,834.80 and 7,500,638.10 is: 11,250,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,223.20 : 12,127,834.80 = 7,500,638.10 : x
  2. Step 2: Convert to fraction form
    8,085,223.20/12,127,834.80 = 7,500,638.10/x
  3. Step 3: Cross multiply
    8,085,223.20x = 12,127,834.80 × 7,500,638.10
  4. Step 4: Simplify right side
    8,085,223.20x = 90,966,499,771,385.88
  5. Step 5: Solve for x
    x = 90,966,499,771,385.88/8,085,223.20
  6. Step 6: Final answer
    x = 11,250,957.15

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1.5x scale

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.