Home / 8,234,377.12-11,338,080.72-7,315,006.24

Finding the Fourth Proportional to 8,234,377.12, 11,338,080.72 and 7,315,006.24

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Solution

The fourth proportional to 8,234,377.12, 11,338,080.72 and 7,315,006.24 is: 10,072,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234,377.12 : 11,338,080.72 = 7,315,006.24 : x
  2. Step 2: Convert to fraction form
    8,234,377.12/11,338,080.72 = 7,315,006.24/x
  3. Step 3: Cross multiply
    8,234,377.12x = 11,338,080.72 × 7,315,006.24
  4. Step 4: Simplify right side
    8,234,377.12x = 82,938,131,216,423.70
  5. Step 5: Solve for x
    x = 82,938,131,216,423.70/8,234,377.12
  6. Step 6: Final answer
    x = 10,072,180.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.