Home / 5,118,525.53-7,060,321.09-3,892,142.47

Finding the Fourth Proportional to 5,118,525.53, 7,060,321.09 and 3,892,142.47

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Solution

The fourth proportional to 5,118,525.53, 7,060,321.09 and 3,892,142.47 is: 5,368,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,525.53 : 7,060,321.09 = 3,892,142.47 : x
  2. Step 2: Convert to fraction form
    5,118,525.53/7,060,321.09 = 3,892,142.47/x
  3. Step 3: Cross multiply
    5,118,525.53x = 7,060,321.09 × 3,892,142.47
  4. Step 4: Simplify right side
    5,118,525.53x = 27,479,775,566,225.69
  5. Step 5: Solve for x
    x = 27,479,775,566,225.69/5,118,525.53
  6. Step 6: Final answer
    x = 5,368,689.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.