Home / 10,877,557.20-16,298,621.10-8,007,775.80

Finding the Fourth Proportional to 10,877,557.20, 16,298,621.10 and 8,007,775.80

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Solution

The fourth proportional to 10,877,557.20, 16,298,621.10 and 8,007,775.80 is: 11,998,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877,557.20 : 16,298,621.10 = 8,007,775.80 : x
  2. Step 2: Convert to fraction form
    10,877,557.20/16,298,621.10 = 8,007,775.80/x
  3. Step 3: Cross multiply
    10,877,557.20x = 16,298,621.10 × 8,007,775.80
  4. Step 4: Simplify right side
    10,877,557.20x = 130,515,703,617,949.38
  5. Step 5: Solve for x
    x = 130,515,703,617,949.38/10,877,557.20
  6. Step 6: Final answer
    x = 11,998,622.60

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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.