Home / 6,315,788.16-8,715,877.29-3,867,505.92

Finding the Fourth Proportional to 6,315,788.16, 8,715,877.29 and 3,867,505.92

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Solution

The fourth proportional to 6,315,788.16, 8,715,877.29 and 3,867,505.92 is: 5,337,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,788.16 : 8,715,877.29 = 3,867,505.92 : x
  2. Step 2: Convert to fraction form
    6,315,788.16/8,715,877.29 = 3,867,505.92/x
  3. Step 3: Cross multiply
    6,315,788.16x = 8,715,877.29 × 3,867,505.92
  4. Step 4: Simplify right side
    6,315,788.16x = 33,708,707,017,068.55
  5. Step 5: Solve for x
    x = 33,708,707,017,068.55/6,315,788.16
  6. Step 6: Final answer
    x = 5,337,213.05

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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.