Home / 28,193,044.50-42,283,071.36-15,902,388.81

Finding the Fourth Proportional to 28,193,044.50, 42,283,071.36 and 15,902,388.81

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Solution

The fourth proportional to 28,193,044.50, 42,283,071.36 and 15,902,388.81 is: 23,849,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,044.50 : 42,283,071.36 = 15,902,388.81 : x
  2. Step 2: Convert to fraction form
    28,193,044.50/42,283,071.36 = 15,902,388.81/x
  3. Step 3: Cross multiply
    28,193,044.50x = 42,283,071.36 × 15,902,388.81
  4. Step 4: Simplify right side
    28,193,044.50x = 672,401,840,847,695.50
  5. Step 5: Solve for x
    x = 672,401,840,847,695.50/28,193,044.50
  6. Step 6: Final answer
    x = 23,849,919.47

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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.