Home / 7,101,092.80-10,646,390.40-3,909,822.40

Finding the Fourth Proportional to 7,101,092.80, 10,646,390.40 and 3,909,822.40

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Solution

The fourth proportional to 7,101,092.80, 10,646,390.40 and 3,909,822.40 is: 5,861,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101,092.80 : 10,646,390.40 = 3,909,822.40 : x
  2. Step 2: Convert to fraction form
    7,101,092.80/10,646,390.40 = 3,909,822.40/x
  3. Step 3: Cross multiply
    7,101,092.80x = 10,646,390.40 × 3,909,822.40
  4. Step 4: Simplify right side
    7,101,092.80x = 41,625,495,665,064.96
  5. Step 5: Solve for x
    x = 41,625,495,665,064.96/7,101,092.80
  6. Step 6: Final answer
    x = 5,861,843.64

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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.