Home / 13,369,551.39-20,061,778.41-7,221,408.93

Finding the Fourth Proportional to 13,369,551.39, 20,061,778.41 and 7,221,408.93

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Solution

The fourth proportional to 13,369,551.39, 20,061,778.41 and 7,221,408.93 is: 10,836,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,551.39 : 20,061,778.41 = 7,221,408.93 : x
  2. Step 2: Convert to fraction form
    13,369,551.39/20,061,778.41 = 7,221,408.93/x
  3. Step 3: Cross multiply
    13,369,551.39x = 20,061,778.41 × 7,221,408.93
  4. Step 4: Simplify right side
    13,369,551.39x = 144,874,305,761,655.19
  5. Step 5: Solve for x
    x = 144,874,305,761,655.19/13,369,551.39
  6. Step 6: Final answer
    x = 10,836,138.14

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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.