Home / 7,085,849.40-10,620,900.90-3,893,266.80

Finding the Fourth Proportional to 7,085,849.40, 10,620,900.90 and 3,893,266.80

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Solution

The fourth proportional to 7,085,849.40, 10,620,900.90 and 3,893,266.80 is: 5,835,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085,849.40 : 10,620,900.90 = 3,893,266.80 : x
  2. Step 2: Convert to fraction form
    7,085,849.40/10,620,900.90 = 3,893,266.80/x
  3. Step 3: Cross multiply
    7,085,849.40x = 10,620,900.90 × 3,893,266.80
  4. Step 4: Simplify right side
    7,085,849.40x = 41,350,000,860,060.12
  5. Step 5: Solve for x
    x = 41,350,000,860,060.12/7,085,849.40
  6. Step 6: Final answer
    x = 5,835,574.33

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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.