Home / 15,907,397.61-21,952,223-9,031,879.68

Finding the Fourth Proportional to 15,907,397.61, 21,952,223 and 9,031,879.68

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Solution

The fourth proportional to 15,907,397.61, 21,952,223 and 9,031,879.68 is: 12,464,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,907,397.61 : 21,952,223 = 9,031,879.68 : x
  2. Step 2: Convert to fraction form
    15,907,397.61/21,952,223 = 9,031,879.68/x
  3. Step 3: Cross multiply
    15,907,397.61x = 21,952,223 × 9,031,879.68
  4. Step 4: Simplify right side
    15,907,397.61x = 198,269,836,844,528.62
  5. Step 5: Solve for x
    x = 198,269,836,844,528.62/15,907,397.61
  6. Step 6: Final answer
    x = 12,464,002.08

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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.