Home / 10,728,792.40-16,096,039.80-4,660,920.40

Finding the Fourth Proportional to 10,728,792.40, 16,096,039.80 and 4,660,920.40

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Solution

The fourth proportional to 10,728,792.40, 16,096,039.80 and 4,660,920.40 is: 6,992,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,792.40 : 16,096,039.80 = 4,660,920.40 : x
  2. Step 2: Convert to fraction form
    10,728,792.40/16,096,039.80 = 4,660,920.40/x
  3. Step 3: Cross multiply
    10,728,792.40x = 16,096,039.80 × 4,660,920.40
  4. Step 4: Simplify right side
    10,728,792.40x = 75,022,360,263,031.92
  5. Step 5: Solve for x
    x = 75,022,360,263,031.92/10,728,792.40
  6. Step 6: Final answer
    x = 6,992,619.25

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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.