Home / 12,412,067.40-18,618,101.10-3,436,619.40

Finding the Fourth Proportional to 12,412,067.40, 18,618,101.10 and 3,436,619.40

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Solution

The fourth proportional to 12,412,067.40, 18,618,101.10 and 3,436,619.40 is: 5,154,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,067.40 : 18,618,101.10 = 3,436,619.40 : x
  2. Step 2: Convert to fraction form
    12,412,067.40/18,618,101.10 = 3,436,619.40/x
  3. Step 3: Cross multiply
    12,412,067.40x = 18,618,101.10 × 3,436,619.40
  4. Step 4: Simplify right side
    12,412,067.40x = 63,983,327,431,421.34
  5. Step 5: Solve for x
    x = 63,983,327,431,421.34/12,412,067.40
  6. Step 6: Final answer
    x = 5,154,929.10

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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.