Home / 10,003,132.80-13,804,336.80-5,419,454.04

Finding the Fourth Proportional to 10,003,132.80, 13,804,336.80 and 5,419,454.04

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Solution

The fourth proportional to 10,003,132.80, 13,804,336.80 and 5,419,454.04 is: 7,478,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003,132.80 : 13,804,336.80 = 5,419,454.04 : x
  2. Step 2: Convert to fraction form
    10,003,132.80/13,804,336.80 = 5,419,454.04/x
  3. Step 3: Cross multiply
    10,003,132.80x = 13,804,336.80 × 5,419,454.04
  4. Step 4: Simplify right side
    10,003,132.80x = 74,811,968,840,280.67
  5. Step 5: Solve for x
    x = 74,811,968,840,280.67/10,003,132.80
  6. Step 6: Final answer
    x = 7,478,853.91

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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.