Home / 21,987,302.88-30,342,513.02-12,197,746.97

Finding the Fourth Proportional to 21,987,302.88, 30,342,513.02 and 12,197,746.97

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Solution

The fourth proportional to 21,987,302.88, 30,342,513.02 and 12,197,746.97 is: 16,832,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,302.88 : 30,342,513.02 = 12,197,746.97 : x
  2. Step 2: Convert to fraction form
    21,987,302.88/30,342,513.02 = 12,197,746.97/x
  3. Step 3: Cross multiply
    21,987,302.88x = 30,342,513.02 × 12,197,746.97
  4. Step 4: Simplify right side
    21,987,302.88x = 370,110,296,039,189.25
  5. Step 5: Solve for x
    x = 370,110,296,039,189.25/21,987,302.88
  6. Step 6: Final answer
    x = 16,832,910.25

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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.