Home / 28,924,822.17-39,916,144.13-15,872,299.29

Finding the Fourth Proportional to 28,924,822.17, 39,916,144.13 and 15,872,299.29

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Solution

The fourth proportional to 28,924,822.17, 39,916,144.13 and 15,872,299.29 is: 21,903,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924,822.17 : 39,916,144.13 = 15,872,299.29 : x
  2. Step 2: Convert to fraction form
    28,924,822.17/39,916,144.13 = 15,872,299.29/x
  3. Step 3: Cross multiply
    28,924,822.17x = 39,916,144.13 × 15,872,299.29
  4. Step 4: Simplify right side
    28,924,822.17x = 633,560,986,054,775.12
  5. Step 5: Solve for x
    x = 633,560,986,054,775.12/28,924,822.17
  6. Step 6: Final answer
    x = 21,903,712.40

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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.