Home / 12,834,135.60-19,241,872.20-5,257,201.20

Finding the Fourth Proportional to 12,834,135.60, 19,241,872.20 and 5,257,201.20

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Solution

The fourth proportional to 12,834,135.60, 19,241,872.20 and 5,257,201.20 is: 7,881,979.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834,135.60 : 19,241,872.20 = 5,257,201.20 : x
  2. Step 2: Convert to fraction form
    12,834,135.60/19,241,872.20 = 5,257,201.20/x
  3. Step 3: Cross multiply
    12,834,135.60x = 19,241,872.20 × 5,257,201.20
  4. Step 4: Simplify right side
    12,834,135.60x = 101,158,393,620,086.64
  5. Step 5: Solve for x
    x = 101,158,393,620,086.64/12,834,135.60
  6. Step 6: Final answer
    x = 7,881,979.49

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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.