Home / 12,534,831.25-18,778,036.48-9,246,392.44

Finding the Fourth Proportional to 12,534,831.25, 18,778,036.48 and 9,246,392.44

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Solution

The fourth proportional to 12,534,831.25, 18,778,036.48 and 9,246,392.44 is: 13,851,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534,831.25 : 18,778,036.48 = 9,246,392.44 : x
  2. Step 2: Convert to fraction form
    12,534,831.25/18,778,036.48 = 9,246,392.44/x
  3. Step 3: Cross multiply
    12,534,831.25x = 18,778,036.48 × 9,246,392.44
  4. Step 4: Simplify right side
    12,534,831.25x = 173,629,094,476,655.12
  5. Step 5: Solve for x
    x = 173,629,094,476,655.12/12,534,831.25
  6. Step 6: Final answer
    x = 13,851,729.72

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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.