Home / 12,490,546.41-17,241,710.64-8,140,690.89

Finding the Fourth Proportional to 12,490,546.41, 17,241,710.64 and 8,140,690.89

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Solution

The fourth proportional to 12,490,546.41, 17,241,710.64 and 8,140,690.89 is: 11,237,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,546.41 : 17,241,710.64 = 8,140,690.89 : x
  2. Step 2: Convert to fraction form
    12,490,546.41/17,241,710.64 = 8,140,690.89/x
  3. Step 3: Cross multiply
    12,490,546.41x = 17,241,710.64 × 8,140,690.89
  4. Step 4: Simplify right side
    12,490,546.41x = 140,359,436,735,064.06
  5. Step 5: Solve for x
    x = 140,359,436,735,064.06/12,490,546.41
  6. Step 6: Final answer
    x = 11,237,253.53

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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.