Home / 7,255,535.90-10,012,339.34-3,947,843.74

Finding the Fourth Proportional to 7,255,535.90, 10,012,339.34 and 3,947,843.74

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Solution

The fourth proportional to 7,255,535.90, 10,012,339.34 and 3,947,843.74 is: 5,447,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,535.90 : 10,012,339.34 = 3,947,843.74 : x
  2. Step 2: Convert to fraction form
    7,255,535.90/10,012,339.34 = 3,947,843.74/x
  3. Step 3: Cross multiply
    7,255,535.90x = 10,012,339.34 × 3,947,843.74
  4. Step 4: Simplify right side
    7,255,535.90x = 39,527,151,178,594.12
  5. Step 5: Solve for x
    x = 39,527,151,178,594.12/7,255,535.90
  6. Step 6: Final answer
    x = 5,447,861.02

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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.