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Finding the Fourth Proportional to 13,602,502.40, 20,356,514.40 and 9,350,974.40

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Solution

The fourth proportional to 13,602,502.40, 20,356,514.40 and 9,350,974.40 is: 13,993,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602,502.40 : 20,356,514.40 = 9,350,974.40 : x
  2. Step 2: Convert to fraction form
    13,602,502.40/20,356,514.40 = 9,350,974.40/x
  3. Step 3: Cross multiply
    13,602,502.40x = 20,356,514.40 × 9,350,974.40
  4. Step 4: Simplify right side
    13,602,502.40x = 190,353,245,027,631.34
  5. Step 5: Solve for x
    x = 190,353,245,027,631.34/13,602,502.40
  6. Step 6: Final answer
    x = 13,993,987.24

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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.