Home / 13,375,862.85-18,460,266.53-7,943,354.85

Finding the Fourth Proportional to 13,375,862.85, 18,460,266.53 and 7,943,354.85

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Solution

The fourth proportional to 13,375,862.85, 18,460,266.53 and 7,943,354.85 is: 10,962,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,862.85 : 18,460,266.53 = 7,943,354.85 : x
  2. Step 2: Convert to fraction form
    13,375,862.85/18,460,266.53 = 7,943,354.85/x
  3. Step 3: Cross multiply
    13,375,862.85x = 18,460,266.53 × 7,943,354.85
  4. Step 4: Simplify right side
    13,375,862.85x = 146,636,447,633,651.38
  5. Step 5: Solve for x
    x = 146,636,447,633,651.38/13,375,862.85
  6. Step 6: Final answer
    x = 10,962,765.49

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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.