Home / 10,985,604.60-16,497,069.30-8,148,919.80

Finding the Fourth Proportional to 10,985,604.60, 16,497,069.30 and 8,148,919.80

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Solution

The fourth proportional to 10,985,604.60, 16,497,069.30 and 8,148,919.80 is: 12,237,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,604.60 : 16,497,069.30 = 8,148,919.80 : x
  2. Step 2: Convert to fraction form
    10,985,604.60/16,497,069.30 = 8,148,919.80/x
  3. Step 3: Cross multiply
    10,985,604.60x = 16,497,069.30 × 8,148,919.80
  4. Step 4: Simplify right side
    10,985,604.60x = 134,433,294,660,742.14
  5. Step 5: Solve for x
    x = 134,433,294,660,742.14/10,985,604.60
  6. Step 6: Final answer
    x = 12,237,223.13

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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.