Home / 21,722,958.08-29,976,712.44-13,025,929.76

Finding the Fourth Proportional to 21,722,958.08, 29,976,712.44 and 13,025,929.76

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Solution

The fourth proportional to 21,722,958.08, 29,976,712.44 and 13,025,929.76 is: 17,975,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722,958.08 : 29,976,712.44 = 13,025,929.76 : x
  2. Step 2: Convert to fraction form
    21,722,958.08/29,976,712.44 = 13,025,929.76/x
  3. Step 3: Cross multiply
    21,722,958.08x = 29,976,712.44 × 13,025,929.76
  4. Step 4: Simplify right side
    21,722,958.08x = 390,474,550,679,158.25
  5. Step 5: Solve for x
    x = 390,474,550,679,158.25/21,722,958.08
  6. Step 6: Final answer
    x = 17,975,201.59

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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.