Home / 8,854,720.40-13,282,080.60-7,280,080.40

Finding the Fourth Proportional to 8,854,720.40, 13,282,080.60 and 7,280,080.40

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Solution

The fourth proportional to 8,854,720.40, 13,282,080.60 and 7,280,080.40 is: 10,920,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854,720.40 : 13,282,080.60 = 7,280,080.40 : x
  2. Step 2: Convert to fraction form
    8,854,720.40/13,282,080.60 = 7,280,080.40/x
  3. Step 3: Cross multiply
    8,854,720.40x = 13,282,080.60 × 7,280,080.40
  4. Step 4: Simplify right side
    8,854,720.40x = 96,694,614,647,280.25
  5. Step 5: Solve for x
    x = 96,694,614,647,280.25/8,854,720.40
  6. Step 6: Final answer
    x = 10,920,120.60

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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.