Home / 13,248,831.20-19,873,246.80-13,164,850.40

Finding the Fourth Proportional to 13,248,831.20, 19,873,246.80 and 13,164,850.40

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Solution

The fourth proportional to 13,248,831.20, 19,873,246.80 and 13,164,850.40 is: 19,747,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,831.20 : 19,873,246.80 = 13,164,850.40 : x
  2. Step 2: Convert to fraction form
    13,248,831.20/19,873,246.80 = 13,164,850.40/x
  3. Step 3: Cross multiply
    13,248,831.20x = 19,873,246.80 × 13,164,850.40
  4. Step 4: Simplify right side
    13,248,831.20x = 261,628,321,084,278.75
  5. Step 5: Solve for x
    x = 261,628,321,084,278.75/13,248,831.20
  6. Step 6: Final answer
    x = 19,747,275.60

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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.