Home / 9,486,318.63-13,091,116.95-5,135,401.71

Finding the Fourth Proportional to 9,486,318.63, 13,091,116.95 and 5,135,401.71

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Solution

The fourth proportional to 9,486,318.63, 13,091,116.95 and 5,135,401.71 is: 7,086,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486,318.63 : 13,091,116.95 = 5,135,401.71 : x
  2. Step 2: Convert to fraction form
    9,486,318.63/13,091,116.95 = 5,135,401.71/x
  3. Step 3: Cross multiply
    9,486,318.63x = 13,091,116.95 × 5,135,401.71
  4. Step 4: Simplify right side
    9,486,318.63x = 67,228,144,370,839.98
  5. Step 5: Solve for x
    x = 67,228,144,370,839.98/9,486,318.63
  6. Step 6: Final answer
    x = 7,086,852.87

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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.