Home / 13,986,831.02-20,983,979.98-5,012,290.22

Finding the Fourth Proportional to 13,986,831.02, 20,983,979.98 and 5,012,290.22

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Solution

The fourth proportional to 13,986,831.02, 20,983,979.98 and 5,012,290.22 is: 7,519,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,831.02 : 20,983,979.98 = 5,012,290.22 : x
  2. Step 2: Convert to fraction form
    13,986,831.02/20,983,979.98 = 5,012,290.22/x
  3. Step 3: Cross multiply
    13,986,831.02x = 20,983,979.98 × 5,012,290.22
  4. Step 4: Simplify right side
    13,986,831.02x = 105,177,797,630,429.80
  5. Step 5: Solve for x
    x = 105,177,797,630,429.80/13,986,831.02
  6. Step 6: Final answer
    x = 7,519,773.24

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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.