Home / 7,280,814.20-10,921,221.30-6,832,041.80

Finding the Fourth Proportional to 7,280,814.20, 10,921,221.30 and 6,832,041.80

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Solution

The fourth proportional to 7,280,814.20, 10,921,221.30 and 6,832,041.80 is: 10,248,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,814.20 : 10,921,221.30 = 6,832,041.80 : x
  2. Step 2: Convert to fraction form
    7,280,814.20/10,921,221.30 = 6,832,041.80/x
  3. Step 3: Cross multiply
    7,280,814.20x = 10,921,221.30 × 6,832,041.80
  4. Step 4: Simplify right side
    7,280,814.20x = 74,614,240,428,650.34
  5. Step 5: Solve for x
    x = 74,614,240,428,650.34/7,280,814.20
  6. Step 6: Final answer
    x = 10,248,062.70

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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.