Home / 21,987,008.13-30,342,629.65-12,063,888.20

Finding the Fourth Proportional to 21,987,008.13, 30,342,629.65 and 12,063,888.20

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Solution

The fourth proportional to 21,987,008.13, 30,342,629.65 and 12,063,888.20 is: 16,648,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,008.13 : 30,342,629.65 = 12,063,888.20 : x
  2. Step 2: Convert to fraction form
    21,987,008.13/30,342,629.65 = 12,063,888.20/x
  3. Step 3: Cross multiply
    21,987,008.13x = 30,342,629.65 × 12,063,888.20
  4. Step 4: Simplify right side
    21,987,008.13x = 366,050,091,837,302
  5. Step 5: Solve for x
    x = 366,050,091,837,302/21,987,008.13
  6. Step 6: Final answer
    x = 16,648,472.12

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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.