Home / 8,991,019.60-13,486,529.40-8,247,002.20

Finding the Fourth Proportional to 8,991,019.60, 13,486,529.40 and 8,247,002.20

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Solution

The fourth proportional to 8,991,019.60, 13,486,529.40 and 8,247,002.20 is: 12,370,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,019.60 : 13,486,529.40 = 8,247,002.20 : x
  2. Step 2: Convert to fraction form
    8,991,019.60/13,486,529.40 = 8,247,002.20/x
  3. Step 3: Cross multiply
    8,991,019.60x = 13,486,529.40 × 8,247,002.20
  4. Step 4: Simplify right side
    8,991,019.60x = 111,223,437,632,164.69
  5. Step 5: Solve for x
    x = 111,223,437,632,164.69/8,991,019.60
  6. Step 6: Final answer
    x = 12,370,503.30

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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.