Home / 12,228,082.10-18,353,932.95-7,445,113.10

Finding the Fourth Proportional to 12,228,082.10, 18,353,932.95 and 7,445,113.10

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Solution

The fourth proportional to 12,228,082.10, 18,353,932.95 and 7,445,113.10 is: 11,174,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,082.10 : 18,353,932.95 = 7,445,113.10 : x
  2. Step 2: Convert to fraction form
    12,228,082.10/18,353,932.95 = 7,445,113.10/x
  3. Step 3: Cross multiply
    12,228,082.10x = 18,353,932.95 × 7,445,113.10
  4. Step 4: Simplify right side
    12,228,082.10x = 136,647,106,642,566.62
  5. Step 5: Solve for x
    x = 136,647,106,642,566.62/12,228,082.10
  6. Step 6: Final answer
    x = 11,174,860.09

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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.