Home / 7,767,078.35-10,723,165.94-6,905,258.20

Finding the Fourth Proportional to 7,767,078.35, 10,723,165.94 and 6,905,258.20

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Solution

The fourth proportional to 7,767,078.35, 10,723,165.94 and 6,905,258.20 is: 9,533,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767,078.35 : 10,723,165.94 = 6,905,258.20 : x
  2. Step 2: Convert to fraction form
    7,767,078.35/10,723,165.94 = 6,905,258.20/x
  3. Step 3: Cross multiply
    7,767,078.35x = 10,723,165.94 × 6,905,258.20
  4. Step 4: Simplify right side
    7,767,078.35x = 74,046,229,537,145.70
  5. Step 5: Solve for x
    x = 74,046,229,537,145.70/7,767,078.35
  6. Step 6: Final answer
    x = 9,533,343.97

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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.