Home / 18,918,900.73-26,108,082-10,217,072.50

Finding the Fourth Proportional to 18,918,900.73, 26,108,082 and 10,217,072.50

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Solution

The fourth proportional to 18,918,900.73, 26,108,082 and 10,217,072.50 is: 14,099,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,918,900.73 : 26,108,082 = 10,217,072.50 : x
  2. Step 2: Convert to fraction form
    18,918,900.73/26,108,082 = 10,217,072.50/x
  3. Step 3: Cross multiply
    18,918,900.73x = 26,108,082 × 10,217,072.50
  4. Step 4: Simplify right side
    18,918,900.73x = 266,748,166,629,945
  5. Step 5: Solve for x
    x = 266,748,166,629,945/18,918,900.73
  6. Step 6: Final answer
    x = 14,099,559.51

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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.