Home / 12,938,252.20-19,407,378.30-8,151,346.60

Finding the Fourth Proportional to 12,938,252.20, 19,407,378.30 and 8,151,346.60

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Solution

The fourth proportional to 12,938,252.20, 19,407,378.30 and 8,151,346.60 is: 12,227,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,252.20 : 19,407,378.30 = 8,151,346.60 : x
  2. Step 2: Convert to fraction form
    12,938,252.20/19,407,378.30 = 8,151,346.60/x
  3. Step 3: Cross multiply
    12,938,252.20x = 19,407,378.30 × 8,151,346.60
  4. Step 4: Simplify right side
    12,938,252.20x = 158,196,267,120,618.78
  5. Step 5: Solve for x
    x = 158,196,267,120,618.78/12,938,252.20
  6. Step 6: Final answer
    x = 12,227,019.90

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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.