Home / 12,178,522.40-18,267,783.60-3,657,751.70

Finding the Fourth Proportional to 12,178,522.40, 18,267,783.60 and 3,657,751.70

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Solution

The fourth proportional to 12,178,522.40, 18,267,783.60 and 3,657,751.70 is: 5,486,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,522.40 : 18,267,783.60 = 3,657,751.70 : x
  2. Step 2: Convert to fraction form
    12,178,522.40/18,267,783.60 = 3,657,751.70/x
  3. Step 3: Cross multiply
    12,178,522.40x = 18,267,783.60 × 3,657,751.70
  4. Step 4: Simplify right side
    12,178,522.40x = 66,819,016,518,132.12
  5. Step 5: Solve for x
    x = 66,819,016,518,132.12/12,178,522.40
  6. Step 6: Final answer
    x = 5,486,627.55

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Similar ratio
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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.