Home / 10,862,711.40-16,294,067.10-9,728,970.60

Finding the Fourth Proportional to 10,862,711.40, 16,294,067.10 and 9,728,970.60

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Solution

The fourth proportional to 10,862,711.40, 16,294,067.10 and 9,728,970.60 is: 14,593,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862,711.40 : 16,294,067.10 = 9,728,970.60 : x
  2. Step 2: Convert to fraction form
    10,862,711.40/16,294,067.10 = 9,728,970.60/x
  3. Step 3: Cross multiply
    10,862,711.40x = 16,294,067.10 × 9,728,970.60
  4. Step 4: Simplify right side
    10,862,711.40x = 158,524,499,770,327.25
  5. Step 5: Solve for x
    x = 158,524,499,770,327.25/10,862,711.40
  6. Step 6: Final answer
    x = 14,593,455.90

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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.