Home / 8,986,557.60-13,479,836.40-3,947,709.60

Finding the Fourth Proportional to 8,986,557.60, 13,479,836.40 and 3,947,709.60

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Solution

The fourth proportional to 8,986,557.60, 13,479,836.40 and 3,947,709.60 is: 5,921,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,557.60 : 13,479,836.40 = 3,947,709.60 : x
  2. Step 2: Convert to fraction form
    8,986,557.60/13,479,836.40 = 3,947,709.60/x
  3. Step 3: Cross multiply
    8,986,557.60x = 13,479,836.40 × 3,947,709.60
  4. Step 4: Simplify right side
    8,986,557.60x = 53,214,479,562,709.45
  5. Step 5: Solve for x
    x = 53,214,479,562,709.45/8,986,557.60
  6. Step 6: Final answer
    x = 5,921,564.40

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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.