Home / 13,737,041.15-18,957,154.08-7,542,489.09

Finding the Fourth Proportional to 13,737,041.15, 18,957,154.08 and 7,542,489.09

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Solution

The fourth proportional to 13,737,041.15, 18,957,154.08 and 7,542,489.09 is: 10,408,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737,041.15 : 18,957,154.08 = 7,542,489.09 : x
  2. Step 2: Convert to fraction form
    13,737,041.15/18,957,154.08 = 7,542,489.09/x
  3. Step 3: Cross multiply
    13,737,041.15x = 18,957,154.08 × 7,542,489.09
  4. Step 4: Simplify right side
    13,737,041.15x = 142,984,127,765,271.66
  5. Step 5: Solve for x
    x = 142,984,127,765,271.66/13,737,041.15
  6. Step 6: Final answer
    x = 10,408,655.42

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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.