Home / 8,991,028.80-13,486,543.20-3,310,077.60

Finding the Fourth Proportional to 8,991,028.80, 13,486,543.20 and 3,310,077.60

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Solution

The fourth proportional to 8,991,028.80, 13,486,543.20 and 3,310,077.60 is: 4,965,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,028.80 : 13,486,543.20 = 3,310,077.60 : x
  2. Step 2: Convert to fraction form
    8,991,028.80/13,486,543.20 = 3,310,077.60/x
  3. Step 3: Cross multiply
    8,991,028.80x = 13,486,543.20 × 3,310,077.60
  4. Step 4: Simplify right side
    8,991,028.80x = 44,641,504,547,752.32
  5. Step 5: Solve for x
    x = 44,641,504,547,752.32/8,991,028.80
  6. Step 6: Final answer
    x = 4,965,116.40

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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.