Home / 11,932,831.20-17,899,246.80-6,879,986.40

Finding the Fourth Proportional to 11,932,831.20, 17,899,246.80 and 6,879,986.40

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Solution

The fourth proportional to 11,932,831.20, 17,899,246.80 and 6,879,986.40 is: 10,319,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932,831.20 : 17,899,246.80 = 6,879,986.40 : x
  2. Step 2: Convert to fraction form
    11,932,831.20/17,899,246.80 = 6,879,986.40/x
  3. Step 3: Cross multiply
    11,932,831.20x = 17,899,246.80 × 6,879,986.40
  4. Step 4: Simplify right side
    11,932,831.20x = 123,146,574,554,243.53
  5. Step 5: Solve for x
    x = 123,146,574,554,243.53/11,932,831.20
  6. Step 6: Final answer
    x = 10,319,979.60

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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.