Home / 12,454,496.20-18,681,744.30-7,646,595.40

Finding the Fourth Proportional to 12,454,496.20, 18,681,744.30 and 7,646,595.40

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Solution

The fourth proportional to 12,454,496.20, 18,681,744.30 and 7,646,595.40 is: 11,469,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,496.20 : 18,681,744.30 = 7,646,595.40 : x
  2. Step 2: Convert to fraction form
    12,454,496.20/18,681,744.30 = 7,646,595.40/x
  3. Step 3: Cross multiply
    12,454,496.20x = 18,681,744.30 × 7,646,595.40
  4. Step 4: Simplify right side
    12,454,496.20x = 142,851,740,028,356.22
  5. Step 5: Solve for x
    x = 142,851,740,028,356.22/12,454,496.20
  6. Step 6: Final answer
    x = 11,469,893.10

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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.