Home / 12,168,200.90-18,252,301.35-3,193,660.10

Finding the Fourth Proportional to 12,168,200.90, 18,252,301.35 and 3,193,660.10

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Solution

The fourth proportional to 12,168,200.90, 18,252,301.35 and 3,193,660.10 is: 4,790,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,200.90 : 18,252,301.35 = 3,193,660.10 : x
  2. Step 2: Convert to fraction form
    12,168,200.90/18,252,301.35 = 3,193,660.10/x
  3. Step 3: Cross multiply
    12,168,200.90x = 18,252,301.35 × 3,193,660.10
  4. Step 4: Simplify right side
    12,168,200.90x = 58,291,646,554,671.14
  5. Step 5: Solve for x
    x = 58,291,646,554,671.14/12,168,200.90
  6. Step 6: Final answer
    x = 4,790,490.15

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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.