Home / 7,819,258.92-10,784,179.80-5,503,816.40

Finding the Fourth Proportional to 7,819,258.92, 10,784,179.80 and 5,503,816.40

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Solution

The fourth proportional to 7,819,258.92, 10,784,179.80 and 5,503,816.40 is: 7,590,763.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819,258.92 : 10,784,179.80 = 5,503,816.40 : x
  2. Step 2: Convert to fraction form
    7,819,258.92/10,784,179.80 = 5,503,816.40/x
  3. Step 3: Cross multiply
    7,819,258.92x = 10,784,179.80 × 5,503,816.40
  4. Step 4: Simplify right side
    7,819,258.92x = 59,354,145,643,788.73
  5. Step 5: Solve for x
    x = 59,354,145,643,788.73/7,819,258.92
  6. Step 6: Final answer
    x = 7,590,763.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.