Home / 26,212,726.80-39,267,187.68-12,360,720.72

Finding the Fourth Proportional to 26,212,726.80, 39,267,187.68 and 12,360,720.72

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Solution

The fourth proportional to 26,212,726.80, 39,267,187.68 and 12,360,720.72 is: 18,516,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,212,726.80 : 39,267,187.68 = 12,360,720.72 : x
  2. Step 2: Convert to fraction form
    26,212,726.80/39,267,187.68 = 12,360,720.72/x
  3. Step 3: Cross multiply
    26,212,726.80x = 39,267,187.68 × 12,360,720.72
  4. Step 4: Simplify right side
    26,212,726.80x = 485,370,740,372,304.75
  5. Step 5: Solve for x
    x = 485,370,740,372,304.75/26,212,726.80
  6. Step 6: Final answer
    x = 18,516,606.23

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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.