Home / 9,684,138.80-14,526,208.20-8,954,231.60

Finding the Fourth Proportional to 9,684,138.80, 14,526,208.20 and 8,954,231.60

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Solution

The fourth proportional to 9,684,138.80, 14,526,208.20 and 8,954,231.60 is: 13,431,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,684,138.80 : 14,526,208.20 = 8,954,231.60 : x
  2. Step 2: Convert to fraction form
    9,684,138.80/14,526,208.20 = 8,954,231.60/x
  3. Step 3: Cross multiply
    9,684,138.80x = 14,526,208.20 × 8,954,231.60
  4. Step 4: Simplify right side
    9,684,138.80x = 130,071,032,492,619.11
  5. Step 5: Solve for x
    x = 130,071,032,492,619.11/9,684,138.80
  6. Step 6: Final answer
    x = 13,431,347.40

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Double scale
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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.