Home / 8,020,790.20-11,069,390.10-4,399,818.04

Finding the Fourth Proportional to 8,020,790.20, 11,069,390.10 and 4,399,818.04

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Solution

The fourth proportional to 8,020,790.20, 11,069,390.10 and 4,399,818.04 is: 6,072,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,790.20 : 11,069,390.10 = 4,399,818.04 : x
  2. Step 2: Convert to fraction form
    8,020,790.20/11,069,390.10 = 4,399,818.04/x
  3. Step 3: Cross multiply
    8,020,790.20x = 11,069,390.10 × 4,399,818.04
  4. Step 4: Simplify right side
    8,020,790.20x = 48,703,302,253,777.41
  5. Step 5: Solve for x
    x = 48,703,302,253,777.41/8,020,790.20
  6. Step 6: Final answer
    x = 6,072,132.68

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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.