Home / 28,679,156.34-43,031,448.49-15,029,057.33

Finding the Fourth Proportional to 28,679,156.34, 43,031,448.49 and 15,029,057.33

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Solution

The fourth proportional to 28,679,156.34, 43,031,448.49 and 15,029,057.33 is: 22,550,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679,156.34 : 43,031,448.49 = 15,029,057.33 : x
  2. Step 2: Convert to fraction form
    28,679,156.34/43,031,448.49 = 15,029,057.33/x
  3. Step 3: Cross multiply
    28,679,156.34x = 43,031,448.49 × 15,029,057.33
  4. Step 4: Simplify right side
    28,679,156.34x = 646,722,106,419,157.88
  5. Step 5: Solve for x
    x = 646,722,106,419,157.88/28,679,156.34
  6. Step 6: Final answer
    x = 22,550,248.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.