Home / 18,918,343.89-26,107,314.48-10,216,515.93

Finding the Fourth Proportional to 18,918,343.89, 26,107,314.48 and 10,216,515.93

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Solution

The fourth proportional to 18,918,343.89, 26,107,314.48 and 10,216,515.93 is: 14,098,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918,343.89 : 26,107,314.48 = 10,216,515.93 : x
  2. Step 2: Convert to fraction form
    18,918,343.89/26,107,314.48 = 10,216,515.93/x
  3. Step 3: Cross multiply
    18,918,343.89x = 26,107,314.48 × 10,216,515.93
  4. Step 4: Simplify right side
    18,918,343.89x = 266,725,794,274,439.66
  5. Step 5: Solve for x
    x = 266,725,794,274,439.66/18,918,343.89
  6. Step 6: Final answer
    x = 14,098,791.94

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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.