Home / 14,229,207.78-21,331,851.20-11,526,831.42

Finding the Fourth Proportional to 14,229,207.78, 21,331,851.20 and 11,526,831.42

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Solution

The fourth proportional to 14,229,207.78, 21,331,851.20 and 11,526,831.42 is: 17,280,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,207.78 : 21,331,851.20 = 11,526,831.42 : x
  2. Step 2: Convert to fraction form
    14,229,207.78/21,331,851.20 = 11,526,831.42/x
  3. Step 3: Cross multiply
    14,229,207.78x = 21,331,851.20 × 11,526,831.42
  4. Step 4: Simplify right side
    14,229,207.78x = 245,888,652,658,924.69
  5. Step 5: Solve for x
    x = 245,888,652,658,924.69/14,229,207.78
  6. Step 6: Final answer
    x = 17,280,558.16

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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.