Home / 8,064,137.80-12,096,206.70-5,376,752.20

Finding the Fourth Proportional to 8,064,137.80, 12,096,206.70 and 5,376,752.20

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Solution

The fourth proportional to 8,064,137.80, 12,096,206.70 and 5,376,752.20 is: 8,065,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,137.80 : 12,096,206.70 = 5,376,752.20 : x
  2. Step 2: Convert to fraction form
    8,064,137.80/12,096,206.70 = 5,376,752.20/x
  3. Step 3: Cross multiply
    8,064,137.80x = 12,096,206.70 × 5,376,752.20
  4. Step 4: Simplify right side
    8,064,137.80x = 65,038,305,985,879.73
  5. Step 5: Solve for x
    x = 65,038,305,985,879.73/8,064,137.80
  6. Step 6: Final answer
    x = 8,065,128.30

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Similar ratio
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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.