Home / 21,987,008.51-30,342,630.16-12,063,888.57

Finding the Fourth Proportional to 21,987,008.51, 30,342,630.16 and 12,063,888.57

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Solution

The fourth proportional to 21,987,008.51, 30,342,630.16 and 12,063,888.57 is: 16,648,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,008.51 : 30,342,630.16 = 12,063,888.57 : x
  2. Step 2: Convert to fraction form
    21,987,008.51/30,342,630.16 = 12,063,888.57/x
  3. Step 3: Cross multiply
    21,987,008.51x = 30,342,630.16 × 12,063,888.57
  4. Step 4: Simplify right side
    21,987,008.51x = 366,050,109,299,826
  5. Step 5: Solve for x
    x = 366,050,109,299,826/21,987,008.51
  6. Step 6: Final answer
    x = 16,648,472.63

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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.