Home / 9,786,363.57-13,504,808.21-5,435,728.92

Finding the Fourth Proportional to 9,786,363.57, 13,504,808.21 and 5,435,728.92

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Solution

The fourth proportional to 9,786,363.57, 13,504,808.21 and 5,435,728.92 is: 7,501,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786,363.57 : 13,504,808.21 = 5,435,728.92 : x
  2. Step 2: Convert to fraction form
    9,786,363.57/13,504,808.21 = 5,435,728.92/x
  3. Step 3: Cross multiply
    9,786,363.57x = 13,504,808.21 × 5,435,728.92
  4. Step 4: Simplify right side
    9,786,363.57x = 73,408,476,518,971.78
  5. Step 5: Solve for x
    x = 73,408,476,518,971.78/9,786,363.57
  6. Step 6: Final answer
    x = 7,501,098.44

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1.5x scale

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.