Home / 21,987,302.38-30,342,512.33-12,197,746.47

Finding the Fourth Proportional to 21,987,302.38, 30,342,512.33 and 12,197,746.47

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Solution

The fourth proportional to 21,987,302.38, 30,342,512.33 and 12,197,746.47 is: 16,832,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,302.38 : 30,342,512.33 = 12,197,746.47 : x
  2. Step 2: Convert to fraction form
    21,987,302.38/30,342,512.33 = 12,197,746.47/x
  3. Step 3: Cross multiply
    21,987,302.38x = 30,342,512.33 × 12,197,746.47
  4. Step 4: Simplify right side
    21,987,302.38x = 370,110,272,664,189
  5. Step 5: Solve for x
    x = 370,110,272,664,189/21,987,302.38
  6. Step 6: Final answer
    x = 16,832,909.57

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1.5x scale

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.