Home / 21,295,642.18-31,948,837.21-5,942,919.19

Finding the Fourth Proportional to 21,295,642.18, 31,948,837.21 and 5,942,919.19

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Solution

The fourth proportional to 21,295,642.18, 31,948,837.21 and 5,942,919.19 is: 8,915,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295,642.18 : 31,948,837.21 = 5,942,919.19 : x
  2. Step 2: Convert to fraction form
    21,295,642.18/31,948,837.21 = 5,942,919.19/x
  3. Step 3: Cross multiply
    21,295,642.18x = 31,948,837.21 × 5,942,919.19
  4. Step 4: Simplify right side
    21,295,642.18x = 189,869,357,753,495.09
  5. Step 5: Solve for x
    x = 189,869,357,753,495.09/21,295,642.18
  6. Step 6: Final answer
    x = 8,915,878.48

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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.