Home / 38,055,425.76-52,516,625.04-20,651,765.76

Finding the Fourth Proportional to 38,055,425.76, 52,516,625.04 and 20,651,765.76

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Solution

The fourth proportional to 38,055,425.76, 52,516,625.04 and 20,651,765.76 is: 28,499,511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,055,425.76 : 52,516,625.04 = 20,651,765.76 : x
  2. Step 2: Convert to fraction form
    38,055,425.76/52,516,625.04 = 20,651,765.76/x
  3. Step 3: Cross multiply
    38,055,425.76x = 52,516,625.04 × 20,651,765.76
  4. Step 4: Simplify right side
    38,055,425.76x = 1,084,561,038,831,830.75
  5. Step 5: Solve for x
    x = 1,084,561,038,831,830.75/38,055,425.76
  6. Step 6: Final answer
    x = 28,499,511.36

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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.