Home / 12,482,685.60-18,724,028.40-8,880,842.40

Finding the Fourth Proportional to 12,482,685.60, 18,724,028.40 and 8,880,842.40

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Solution

The fourth proportional to 12,482,685.60, 18,724,028.40 and 8,880,842.40 is: 13,321,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,685.60 : 18,724,028.40 = 8,880,842.40 : x
  2. Step 2: Convert to fraction form
    12,482,685.60/18,724,028.40 = 8,880,842.40/x
  3. Step 3: Cross multiply
    12,482,685.60x = 18,724,028.40 × 8,880,842.40
  4. Step 4: Simplify right side
    12,482,685.60x = 166,285,145,313,524.16
  5. Step 5: Solve for x
    x = 166,285,145,313,524.16/12,482,685.60
  6. Step 6: Final answer
    x = 13,321,263.60

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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.