Home / 8,121,330-11,207,435.40-4,499,658

Finding the Fourth Proportional to 8,121,330, 11,207,435.40 and 4,499,658

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Solution

The fourth proportional to 8,121,330, 11,207,435.40 and 4,499,658 is: 6,209,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,330 : 11,207,435.40 = 4,499,658 : x
  2. Step 2: Convert to fraction form
    8,121,330/11,207,435.40 = 4,499,658/x
  3. Step 3: Cross multiply
    8,121,330x = 11,207,435.40 × 4,499,658
  4. Step 4: Simplify right side
    8,121,330x = 50,429,626,357,093.20
  5. Step 5: Solve for x
    x = 50,429,626,357,093.20/8,121,330
  6. Step 6: Final answer
    x = 6,209,528.04

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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.