Home / 19,216,758.54-28,825,660.53-6,434,880.78

Finding the Fourth Proportional to 19,216,758.54, 28,825,660.53 and 6,434,880.78

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Solution

The fourth proportional to 19,216,758.54, 28,825,660.53 and 6,434,880.78 is: 9,652,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216,758.54 : 28,825,660.53 = 6,434,880.78 : x
  2. Step 2: Convert to fraction form
    19,216,758.54/28,825,660.53 = 6,434,880.78/x
  3. Step 3: Cross multiply
    19,216,758.54x = 28,825,660.53 × 6,434,880.78
  4. Step 4: Simplify right side
    19,216,758.54x = 185,489,688,915,301.62
  5. Step 5: Solve for x
    x = 185,489,688,915,301.62/19,216,758.54
  6. Step 6: Final answer
    x = 9,652,496.21

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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.