Home / 15,907,398.12-21,952,223.69-9,031,880.18

Finding the Fourth Proportional to 15,907,398.12, 21,952,223.69 and 9,031,880.18

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Solution

The fourth proportional to 15,907,398.12, 21,952,223.69 and 9,031,880.18 is: 12,464,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,398.12 : 21,952,223.69 = 9,031,880.18 : x
  2. Step 2: Convert to fraction form
    15,907,398.12/21,952,223.69 = 9,031,880.18/x
  3. Step 3: Cross multiply
    15,907,398.12x = 21,952,223.69 × 9,031,880.18
  4. Step 4: Simplify right side
    15,907,398.12x = 198,269,853,897,716.94
  5. Step 5: Solve for x
    x = 198,269,853,897,716.94/15,907,398.12
  6. Step 6: Final answer
    x = 12,464,002.75

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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.