Home / 13,609,862.76-18,781,600.27-7,498,291.26

Finding the Fourth Proportional to 13,609,862.76, 18,781,600.27 and 7,498,291.26

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Solution

The fourth proportional to 13,609,862.76, 18,781,600.27 and 7,498,291.26 is: 10,347,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,862.76 : 18,781,600.27 = 7,498,291.26 : x
  2. Step 2: Convert to fraction form
    13,609,862.76/18,781,600.27 = 7,498,291.26/x
  3. Step 3: Cross multiply
    13,609,862.76x = 18,781,600.27 × 7,498,291.26
  4. Step 4: Simplify right side
    13,609,862.76x = 140,829,909,153,354.62
  5. Step 5: Solve for x
    x = 140,829,909,153,354.62/13,609,862.76
  6. Step 6: Final answer
    x = 10,347,636.24

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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.