Home / 10,366,548.80-15,556,821.60-6,763,539.20

Finding the Fourth Proportional to 10,366,548.80, 15,556,821.60 and 6,763,539.20

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Solution

The fourth proportional to 10,366,548.80, 15,556,821.60 and 6,763,539.20 is: 10,149,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,548.80 : 15,556,821.60 = 6,763,539.20 : x
  2. Step 2: Convert to fraction form
    10,366,548.80/15,556,821.60 = 6,763,539.20/x
  3. Step 3: Cross multiply
    10,366,548.80x = 15,556,821.60 × 6,763,539.20
  4. Step 4: Simplify right side
    10,366,548.80x = 105,219,172,719,006.72
  5. Step 5: Solve for x
    x = 105,219,172,719,006.72/10,366,548.80
  6. Step 6: Final answer
    x = 10,149,874.83

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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.