Home / 8,234,378.12-11,338,082.10-7,315,007.24

Finding the Fourth Proportional to 8,234,378.12, 11,338,082.10 and 7,315,007.24

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Solution

The fourth proportional to 8,234,378.12, 11,338,082.10 and 7,315,007.24 is: 10,072,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234,378.12 : 11,338,082.10 = 7,315,007.24 : x
  2. Step 2: Convert to fraction form
    8,234,378.12/11,338,082.10 = 7,315,007.24/x
  3. Step 3: Cross multiply
    8,234,378.12x = 11,338,082.10 × 7,315,007.24
  4. Step 4: Simplify right side
    8,234,378.12x = 82,938,152,649,214.41
  5. Step 5: Solve for x
    x = 82,938,152,649,214.41/8,234,378.12
  6. Step 6: Final answer
    x = 10,072,181.70

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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.