Home / 7,516,747.74-10,373,140.08-4,078,989.48

Finding the Fourth Proportional to 7,516,747.74, 10,373,140.08 and 4,078,989.48

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Solution

The fourth proportional to 7,516,747.74, 10,373,140.08 and 4,078,989.48 is: 5,629,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516,747.74 : 10,373,140.08 = 4,078,989.48 : x
  2. Step 2: Convert to fraction form
    7,516,747.74/10,373,140.08 = 4,078,989.48/x
  3. Step 3: Cross multiply
    7,516,747.74x = 10,373,140.08 × 4,078,989.48
  4. Step 4: Simplify right side
    7,516,747.74x = 42,311,929,260,886.36
  5. Step 5: Solve for x
    x = 42,311,929,260,886.36/7,516,747.74
  6. Step 6: Final answer
    x = 5,629,020.78

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1.5x scale

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.