Home / 7,477,010.40-11,215,515.60-2,428,831.20

Finding the Fourth Proportional to 7,477,010.40, 11,215,515.60 and 2,428,831.20

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Solution

The fourth proportional to 7,477,010.40, 11,215,515.60 and 2,428,831.20 is: 3,643,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,010.40 : 11,215,515.60 = 2,428,831.20 : x
  2. Step 2: Convert to fraction form
    7,477,010.40/11,215,515.60 = 2,428,831.20/x
  3. Step 3: Cross multiply
    7,477,010.40x = 11,215,515.60 × 2,428,831.20
  4. Step 4: Simplify right side
    7,477,010.40x = 27,240,594,213,366.72
  5. Step 5: Solve for x
    x = 27,240,594,213,366.72/7,477,010.40
  6. Step 6: Final answer
    x = 3,643,246.80

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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.