Home / 7,102,777.40-10,641,918.90-3,308,478.20

Finding the Fourth Proportional to 7,102,777.40, 10,641,918.90 and 3,308,478.20

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Solution

The fourth proportional to 7,102,777.40, 10,641,918.90 and 3,308,478.20 is: 4,957,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,777.40 : 10,641,918.90 = 3,308,478.20 : x
  2. Step 2: Convert to fraction form
    7,102,777.40/10,641,918.90 = 3,308,478.20/x
  3. Step 3: Cross multiply
    7,102,777.40x = 10,641,918.90 × 3,308,478.20
  4. Step 4: Simplify right side
    7,102,777.40x = 35,208,556,686,817.98
  5. Step 5: Solve for x
    x = 35,208,556,686,817.98/7,102,777.40
  6. Step 6: Final answer
    x = 4,957,012.55

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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.