Home / 8,365,099.80-12,556,980.90-7,816,891.80

Finding the Fourth Proportional to 8,365,099.80, 12,556,980.90 and 7,816,891.80

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Solution

The fourth proportional to 8,365,099.80, 12,556,980.90 and 7,816,891.80 is: 11,734,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365,099.80 : 12,556,980.90 = 7,816,891.80 : x
  2. Step 2: Convert to fraction form
    8,365,099.80/12,556,980.90 = 7,816,891.80/x
  3. Step 3: Cross multiply
    8,365,099.80x = 12,556,980.90 × 7,816,891.80
  4. Step 4: Simplify right side
    8,365,099.80x = 98,156,561,029,966.62
  5. Step 5: Solve for x
    x = 98,156,561,029,966.62/8,365,099.80
  6. Step 6: Final answer
    x = 11,734,057.38

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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.