Home / 7,617,118.28-10,511,816.68-4,179,358.40

Finding the Fourth Proportional to 7,617,118.28, 10,511,816.68 and 4,179,358.40

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Solution

The fourth proportional to 7,617,118.28, 10,511,816.68 and 4,179,358.40 is: 5,767,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617,118.28 : 10,511,816.68 = 4,179,358.40 : x
  2. Step 2: Convert to fraction form
    7,617,118.28/10,511,816.68 = 4,179,358.40/x
  3. Step 3: Cross multiply
    7,617,118.28x = 10,511,816.68 × 4,179,358.40
  4. Step 4: Simplify right side
    7,617,118.28x = 43,932,649,340,818.11
  5. Step 5: Solve for x
    x = 43,932,649,340,818.11/7,617,118.28
  6. Step 6: Final answer
    x = 5,767,620.74

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Double scale
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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.