Home / 15,137,897.96-20,894,933.22-9,338,488.04

Finding the Fourth Proportional to 15,137,897.96, 20,894,933.22 and 9,338,488.04

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Solution

The fourth proportional to 15,137,897.96, 20,894,933.22 and 9,338,488.04 is: 12,889,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137,897.96 : 20,894,933.22 = 9,338,488.04 : x
  2. Step 2: Convert to fraction form
    15,137,897.96/20,894,933.22 = 9,338,488.04/x
  3. Step 3: Cross multiply
    15,137,897.96x = 20,894,933.22 × 9,338,488.04
  4. Step 4: Simplify right side
    15,137,897.96x = 195,127,083,971,568.66
  5. Step 5: Solve for x
    x = 195,127,083,971,568.66/15,137,897.96
  6. Step 6: Final answer
    x = 12,889,972.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.