Home / 6,240,831.20-9,361,246.80-5,177,074.40

Finding the Fourth Proportional to 6,240,831.20, 9,361,246.80 and 5,177,074.40

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Solution

The fourth proportional to 6,240,831.20, 9,361,246.80 and 5,177,074.40 is: 7,765,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,831.20 : 9,361,246.80 = 5,177,074.40 : x
  2. Step 2: Convert to fraction form
    6,240,831.20/9,361,246.80 = 5,177,074.40/x
  3. Step 3: Cross multiply
    6,240,831.20x = 9,361,246.80 × 5,177,074.40
  4. Step 4: Simplify right side
    6,240,831.20x = 48,463,871,160,361.93
  5. Step 5: Solve for x
    x = 48,463,871,160,361.93/6,240,831.20
  6. Step 6: Final answer
    x = 7,765,611.60

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Double scale
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Similar ratio
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1.5x scale

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.