Home / 10,032,538.40-13,844,439.91-5,681,655.90

Finding the Fourth Proportional to 10,032,538.40, 13,844,439.91 and 5,681,655.90

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Solution

The fourth proportional to 10,032,538.40, 13,844,439.91 and 5,681,655.90 is: 7,840,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,032,538.40 : 13,844,439.91 = 5,681,655.90 : x
  2. Step 2: Convert to fraction form
    10,032,538.40/13,844,439.91 = 5,681,655.90/x
  3. Step 3: Cross multiply
    10,032,538.40x = 13,844,439.91 × 5,681,655.90
  4. Step 4: Simplify right side
    10,032,538.40x = 78,659,343,703,949.05
  5. Step 5: Solve for x
    x = 78,659,343,703,949.05/10,032,538.40
  6. Step 6: Final answer
    x = 7,840,422.89

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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.