Home / 13,375,862.60-18,460,266.18-7,943,354.60

Finding the Fourth Proportional to 13,375,862.60, 18,460,266.18 and 7,943,354.60

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Solution

The fourth proportional to 13,375,862.60, 18,460,266.18 and 7,943,354.60 is: 10,962,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,862.60 : 18,460,266.18 = 7,943,354.60 : x
  2. Step 2: Convert to fraction form
    13,375,862.60/18,460,266.18 = 7,943,354.60/x
  3. Step 3: Cross multiply
    13,375,862.60x = 18,460,266.18 × 7,943,354.60
  4. Step 4: Simplify right side
    13,375,862.60x = 146,636,440,278,127.41
  5. Step 5: Solve for x
    x = 146,636,440,278,127.41/13,375,862.60
  6. Step 6: Final answer
    x = 10,962,765.14

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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.