Home / 18,702,023.40-28,070,749.80-11,527,569.90

Finding the Fourth Proportional to 18,702,023.40, 28,070,749.80 and 11,527,569.90

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Solution

The fourth proportional to 18,702,023.40, 28,070,749.80 and 11,527,569.90 is: 17,302,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702,023.40 : 28,070,749.80 = 11,527,569.90 : x
  2. Step 2: Convert to fraction form
    18,702,023.40/28,070,749.80 = 11,527,569.90/x
  3. Step 3: Cross multiply
    18,702,023.40x = 28,070,749.80 × 11,527,569.90
  4. Step 4: Simplify right side
    18,702,023.40x = 323,587,530,464,911.06
  5. Step 5: Solve for x
    x = 323,587,530,464,911.06/18,702,023.40
  6. Step 6: Final answer
    x = 17,302,273.85

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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.