Home / 5,275,426.60-7,913,139.90-4,787,288.20

Finding the Fourth Proportional to 5,275,426.60, 7,913,139.90 and 4,787,288.20

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Solution

The fourth proportional to 5,275,426.60, 7,913,139.90 and 4,787,288.20 is: 7,180,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,426.60 : 7,913,139.90 = 4,787,288.20 : x
  2. Step 2: Convert to fraction form
    5,275,426.60/7,913,139.90 = 4,787,288.20/x
  3. Step 3: Cross multiply
    5,275,426.60x = 7,913,139.90 × 4,787,288.20
  4. Step 4: Simplify right side
    5,275,426.60x = 37,882,481,268,219.18
  5. Step 5: Solve for x
    x = 37,882,481,268,219.18/5,275,426.60
  6. Step 6: Final answer
    x = 7,180,932.30

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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.