Home / 28,147,889.88-38,843,825.59-15,924,746.88

Finding the Fourth Proportional to 28,147,889.88, 38,843,825.59 and 15,924,746.88

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Solution

The fourth proportional to 28,147,889.88, 38,843,825.59 and 15,924,746.88 is: 21,976,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147,889.88 : 38,843,825.59 = 15,924,746.88 : x
  2. Step 2: Convert to fraction form
    28,147,889.88/38,843,825.59 = 15,924,746.88/x
  3. Step 3: Cross multiply
    28,147,889.88x = 38,843,825.59 × 15,924,746.88
  4. Step 4: Simplify right side
    28,147,889.88x = 618,578,090,371,616.75
  5. Step 5: Solve for x
    x = 618,578,090,371,616.75/28,147,889.88
  6. Step 6: Final answer
    x = 21,976,002.22

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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.