Home / 5,118,523.53-7,060,318.34-3,892,140.47

Finding the Fourth Proportional to 5,118,523.53, 7,060,318.34 and 3,892,140.47

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Solution

The fourth proportional to 5,118,523.53, 7,060,318.34 and 3,892,140.47 is: 5,368,686.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,523.53 : 7,060,318.34 = 3,892,140.47 : x
  2. Step 2: Convert to fraction form
    5,118,523.53/7,060,318.34 = 3,892,140.47/x
  3. Step 3: Cross multiply
    5,118,523.53x = 7,060,318.34 × 3,892,140.47
  4. Step 4: Simplify right side
    5,118,523.53x = 27,479,750,687,434.93
  5. Step 5: Solve for x
    x = 27,479,750,687,434.93/5,118,523.53
  6. Step 6: Final answer
    x = 5,368,686.99

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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.