Home / 13,986,380-20,980,758.28-3,889,001

Finding the Fourth Proportional to 13,986,380, 20,980,758.28 and 3,889,001

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Solution

The fourth proportional to 13,986,380, 20,980,758.28 and 3,889,001 is: 5,833,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,380 : 20,980,758.28 = 3,889,001 : x
  2. Step 2: Convert to fraction form
    13,986,380/20,980,758.28 = 3,889,001/x
  3. Step 3: Cross multiply
    13,986,380x = 20,980,758.28 × 3,889,001
  4. Step 4: Simplify right side
    13,986,380x = 81,594,189,931,678.28
  5. Step 5: Solve for x
    x = 81,594,189,931,678.28/13,986,380
  6. Step 6: Final answer
    x = 5,833,831.91

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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.