Home / 5,381,288.60-8,071,932.90-5,148,045.05

Finding the Fourth Proportional to 5,381,288.60, 8,071,932.90 and 5,148,045.05

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Solution

The fourth proportional to 5,381,288.60, 8,071,932.90 and 5,148,045.05 is: 7,722,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,288.60 : 8,071,932.90 = 5,148,045.05 : x
  2. Step 2: Convert to fraction form
    5,381,288.60/8,071,932.90 = 5,148,045.05/x
  3. Step 3: Cross multiply
    5,381,288.60x = 8,071,932.90 × 5,148,045.05
  4. Step 4: Simplify right side
    5,381,288.60x = 41,554,674,209,777.15
  5. Step 5: Solve for x
    x = 41,554,674,209,777.15/5,381,288.60
  6. Step 6: Final answer
    x = 7,722,067.58

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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.