Home / 34,012,831.20-51,019,246.80-21,258,247.20

Finding the Fourth Proportional to 34,012,831.20, 51,019,246.80 and 21,258,247.20

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Solution

The fourth proportional to 34,012,831.20, 51,019,246.80 and 21,258,247.20 is: 31,887,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,012,831.20 : 51,019,246.80 = 21,258,247.20 : x
  2. Step 2: Convert to fraction form
    34,012,831.20/51,019,246.80 = 21,258,247.20/x
  3. Step 3: Cross multiply
    34,012,831.20x = 51,019,246.80 × 21,258,247.20
  4. Step 4: Simplify right side
    34,012,831.20x = 1,084,579,760,432,208.88
  5. Step 5: Solve for x
    x = 1,084,579,760,432,208.88/34,012,831.20
  6. Step 6: Final answer
    x = 31,887,370.80

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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.