Home / 14,063,521.65-21,200,691.26-13,126,078.53

Finding the Fourth Proportional to 14,063,521.65, 21,200,691.26 and 13,126,078.53

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Solution

The fourth proportional to 14,063,521.65, 21,200,691.26 and 13,126,078.53 is: 19,787,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063,521.65 : 21,200,691.26 = 13,126,078.53 : x
  2. Step 2: Convert to fraction form
    14,063,521.65/21,200,691.26 = 13,126,078.53/x
  3. Step 3: Cross multiply
    14,063,521.65x = 21,200,691.26 × 13,126,078.53
  4. Step 4: Simplify right side
    14,063,521.65x = 278,281,938,303,414.22
  5. Step 5: Solve for x
    x = 278,281,938,303,414.22/14,063,521.65
  6. Step 6: Final answer
    x = 19,787,500.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.