Home / 21,355,067.20-32,029,490.40-6,207,419.20

Finding the Fourth Proportional to 21,355,067.20, 32,029,490.40 and 6,207,419.20

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Solution

The fourth proportional to 21,355,067.20, 32,029,490.40 and 6,207,419.20 is: 9,310,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,067.20 : 32,029,490.40 = 6,207,419.20 : x
  2. Step 2: Convert to fraction form
    21,355,067.20/32,029,490.40 = 6,207,419.20/x
  3. Step 3: Cross multiply
    21,355,067.20x = 32,029,490.40 × 6,207,419.20
  4. Step 4: Simplify right side
    21,355,067.20x = 198,820,473,675,175.69
  5. Step 5: Solve for x
    x = 198,820,473,675,175.69/21,355,067.20
  6. Step 6: Final answer
    x = 9,310,224.68

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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.