Home / 10,806,198.60-16,169,931.90-7,971,846.60

Finding the Fourth Proportional to 10,806,198.60, 16,169,931.90 and 7,971,846.60

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Solution

The fourth proportional to 10,806,198.60, 16,169,931.90 and 7,971,846.60 is: 11,928,729.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806,198.60 : 16,169,931.90 = 7,971,846.60 : x
  2. Step 2: Convert to fraction form
    10,806,198.60/16,169,931.90 = 7,971,846.60/x
  3. Step 3: Cross multiply
    10,806,198.60x = 16,169,931.90 × 7,971,846.60
  4. Step 4: Simplify right side
    10,806,198.60x = 128,904,216,639,246.53
  5. Step 5: Solve for x
    x = 128,904,216,639,246.53/10,806,198.60
  6. Step 6: Final answer
    x = 11,928,729.19

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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.