Home / 19,330,995.20-28,995,571.20-6,550,246.40

Finding the Fourth Proportional to 19,330,995.20, 28,995,571.20 and 6,550,246.40

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Solution

The fourth proportional to 19,330,995.20, 28,995,571.20 and 6,550,246.40 is: 9,825,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330,995.20 : 28,995,571.20 = 6,550,246.40 : x
  2. Step 2: Convert to fraction form
    19,330,995.20/28,995,571.20 = 6,550,246.40/x
  3. Step 3: Cross multiply
    19,330,995.20x = 28,995,571.20 × 6,550,246.40
  4. Step 4: Simplify right side
    19,330,995.20x = 189,928,135,868,743.69
  5. Step 5: Solve for x
    x = 189,928,135,868,743.69/19,330,995.20
  6. Step 6: Final answer
    x = 9,825,057.32

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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.