Home / 9,182,987.20-13,774,480.80-8,616,116.80

Finding the Fourth Proportional to 9,182,987.20, 13,774,480.80 and 8,616,116.80

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Solution

The fourth proportional to 9,182,987.20, 13,774,480.80 and 8,616,116.80 is: 12,924,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182,987.20 : 13,774,480.80 = 8,616,116.80 : x
  2. Step 2: Convert to fraction form
    9,182,987.20/13,774,480.80 = 8,616,116.80/x
  3. Step 3: Cross multiply
    9,182,987.20x = 13,774,480.80 × 8,616,116.80
  4. Step 4: Simplify right side
    9,182,987.20x = 118,682,535,432,157.45
  5. Step 5: Solve for x
    x = 118,682,535,432,157.45/9,182,987.20
  6. Step 6: Final answer
    x = 12,924,175.20

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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.