Home / 36,698,831.20-55,046,497.20-12,435,378.40

Finding the Fourth Proportional to 36,698,831.20, 55,046,497.20 and 12,435,378.40

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Solution

The fourth proportional to 36,698,831.20, 55,046,497.20 and 12,435,378.40 is: 18,652,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698,831.20 : 55,046,497.20 = 12,435,378.40 : x
  2. Step 2: Convert to fraction form
    36,698,831.20/55,046,497.20 = 12,435,378.40/x
  3. Step 3: Cross multiply
    36,698,831.20x = 55,046,497.20 × 12,435,378.40
  4. Step 4: Simplify right side
    36,698,831.20x = 684,524,022,276,540.50
  5. Step 5: Solve for x
    x = 684,524,022,276,540.50/36,698,831.20
  6. Step 6: Final answer
    x = 18,652,474.75

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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.