Home / 8,991,021.60-13,486,532.40-8,247,004.20

Finding the Fourth Proportional to 8,991,021.60, 13,486,532.40 and 8,247,004.20

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Solution

The fourth proportional to 8,991,021.60, 13,486,532.40 and 8,247,004.20 is: 12,370,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,021.60 : 13,486,532.40 = 8,247,004.20 : x
  2. Step 2: Convert to fraction form
    8,991,021.60/13,486,532.40 = 8,247,004.20/x
  3. Step 3: Cross multiply
    8,991,021.60x = 13,486,532.40 × 8,247,004.20
  4. Step 4: Simplify right side
    8,991,021.60x = 111,223,489,346,236.08
  5. Step 5: Solve for x
    x = 111,223,489,346,236.08/8,991,021.60
  6. Step 6: Final answer
    x = 12,370,506.30

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1.5x scale

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.