Home / 12,882,624.32-19,327,100-6,408,754.24

Finding the Fourth Proportional to 12,882,624.32, 19,327,100 and 6,408,754.24

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Solution

The fourth proportional to 12,882,624.32, 19,327,100 and 6,408,754.24 is: 9,614,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,624.32 : 19,327,100 = 6,408,754.24 : x
  2. Step 2: Convert to fraction form
    12,882,624.32/19,327,100 = 6,408,754.24/x
  3. Step 3: Cross multiply
    12,882,624.32x = 19,327,100 × 6,408,754.24
  4. Step 4: Simplify right side
    12,882,624.32x = 123,862,634,071,904
  5. Step 5: Solve for x
    x = 123,862,634,071,904/12,882,624.32
  6. Step 6: Final answer
    x = 9,614,705.12

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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.