Home / 16,882,890-23,298,408.68-9,147,926.32

Finding the Fourth Proportional to 16,882,890, 23,298,408.68 and 9,147,926.32

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Solution

The fourth proportional to 16,882,890, 23,298,408.68 and 9,147,926.32 is: 12,624,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,882,890 : 23,298,408.68 = 9,147,926.32 : x
  2. Step 2: Convert to fraction form
    16,882,890/23,298,408.68 = 9,147,926.32/x
  3. Step 3: Cross multiply
    16,882,890x = 23,298,408.68 × 9,147,926.32
  4. Step 4: Simplify right side
    16,882,890x = 213,132,125,977,888.47
  5. Step 5: Solve for x
    x = 213,132,125,977,888.47/16,882,890
  6. Step 6: Final answer
    x = 12,624,149.42

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1.5x scale

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.