Home / 19,104,015.40-28,656,023.10-15,324,879.40

Finding the Fourth Proportional to 19,104,015.40, 28,656,023.10 and 15,324,879.40

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Solution

The fourth proportional to 19,104,015.40, 28,656,023.10 and 15,324,879.40 is: 22,987,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104,015.40 : 28,656,023.10 = 15,324,879.40 : x
  2. Step 2: Convert to fraction form
    19,104,015.40/28,656,023.10 = 15,324,879.40/x
  3. Step 3: Cross multiply
    19,104,015.40x = 28,656,023.10 × 15,324,879.40
  4. Step 4: Simplify right side
    19,104,015.40x = 439,150,098,091,114.19
  5. Step 5: Solve for x
    x = 439,150,098,091,114.19/19,104,015.40
  6. Step 6: Final answer
    x = 22,987,319.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.