Home / 9,175,938.80-13,763,908.20-8,262,647.60

Finding the Fourth Proportional to 9,175,938.80, 13,763,908.20 and 8,262,647.60

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Solution

The fourth proportional to 9,175,938.80, 13,763,908.20 and 8,262,647.60 is: 12,393,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175,938.80 : 13,763,908.20 = 8,262,647.60 : x
  2. Step 2: Convert to fraction form
    9,175,938.80/13,763,908.20 = 8,262,647.60/x
  3. Step 3: Cross multiply
    9,175,938.80x = 13,763,908.20 × 8,262,647.60
  4. Step 4: Simplify right side
    9,175,938.80x = 113,726,323,055,350.31
  5. Step 5: Solve for x
    x = 113,726,323,055,350.31/9,175,938.80
  6. Step 6: Final answer
    x = 12,393,971.40

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Similar ratio
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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.