Home / 12,479,490-18,716,867.64-6,083,309.52

Finding the Fourth Proportional to 12,479,490, 18,716,867.64 and 6,083,309.52

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Solution

The fourth proportional to 12,479,490, 18,716,867.64 and 6,083,309.52 is: 9,123,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,490 : 18,716,867.64 = 6,083,309.52 : x
  2. Step 2: Convert to fraction form
    12,479,490/18,716,867.64 = 6,083,309.52/x
  3. Step 3: Cross multiply
    12,479,490x = 18,716,867.64 × 6,083,309.52
  4. Step 4: Simplify right side
    12,479,490x = 113,860,499,098,991.92
  5. Step 5: Solve for x
    x = 113,860,499,098,991.92/12,479,490
  6. Step 6: Final answer
    x = 9,123,810.28

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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.