Home / 5,451,215.10-8,167,965.30-4,547,765.40

Finding the Fourth Proportional to 5,451,215.10, 8,167,965.30 and 4,547,765.40

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Solution

The fourth proportional to 5,451,215.10, 8,167,965.30 and 4,547,765.40 is: 6,814,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,215.10 : 8,167,965.30 = 4,547,765.40 : x
  2. Step 2: Convert to fraction form
    5,451,215.10/8,167,965.30 = 4,547,765.40/x
  3. Step 3: Cross multiply
    5,451,215.10x = 8,167,965.30 × 4,547,765.40
  4. Step 4: Simplify right side
    5,451,215.10x = 37,145,989,979,740.62
  5. Step 5: Solve for x
    x = 37,145,989,979,740.62/5,451,215.10
  6. Step 6: Final answer
    x = 6,814,258.71

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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.