Home / 7,248,833.80-10,003,121.61-3,985,454.38

Finding the Fourth Proportional to 7,248,833.80, 10,003,121.61 and 3,985,454.38

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Solution

The fourth proportional to 7,248,833.80, 10,003,121.61 and 3,985,454.38 is: 5,499,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248,833.80 : 10,003,121.61 = 3,985,454.38 : x
  2. Step 2: Convert to fraction form
    7,248,833.80/10,003,121.61 = 3,985,454.38/x
  3. Step 3: Cross multiply
    7,248,833.80x = 10,003,121.61 × 3,985,454.38
  4. Step 4: Simplify right side
    7,248,833.80x = 39,866,984,834,247.15
  5. Step 5: Solve for x
    x = 39,866,984,834,247.15/7,248,833.80
  6. Step 6: Final answer
    x = 5,499,779.13

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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.