Home / 28,147,889.38-38,843,824.90-15,924,746.38

Finding the Fourth Proportional to 28,147,889.38, 38,843,824.90 and 15,924,746.38

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Solution

The fourth proportional to 28,147,889.38, 38,843,824.90 and 15,924,746.38 is: 21,976,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147,889.38 : 38,843,824.90 = 15,924,746.38 : x
  2. Step 2: Convert to fraction form
    28,147,889.38/38,843,824.90 = 15,924,746.38/x
  3. Step 3: Cross multiply
    28,147,889.38x = 38,843,824.90 × 15,924,746.38
  4. Step 4: Simplify right side
    28,147,889.38x = 618,578,059,687,786
  5. Step 5: Solve for x
    x = 618,578,059,687,786/28,147,889.38
  6. Step 6: Final answer
    x = 21,976,001.52

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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.