Home / 12,683,462.85-17,503,126.20-7,531,065.81

Finding the Fourth Proportional to 12,683,462.85, 17,503,126.20 and 7,531,065.81

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Solution

The fourth proportional to 12,683,462.85, 17,503,126.20 and 7,531,065.81 is: 10,392,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683,462.85 : 17,503,126.20 = 7,531,065.81 : x
  2. Step 2: Convert to fraction form
    12,683,462.85/17,503,126.20 = 7,531,065.81/x
  3. Step 3: Cross multiply
    12,683,462.85x = 17,503,126.20 × 7,531,065.81
  4. Step 4: Simplify right side
    12,683,462.85x = 131,817,195,292,935.20
  5. Step 5: Solve for x
    x = 131,817,195,292,935.20/12,683,462.85
  6. Step 6: Final answer
    x = 10,392,839.63

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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.