Home / 6,391,788.30-9,587,682.45-5,384,018.70

Finding the Fourth Proportional to 6,391,788.30, 9,587,682.45 and 5,384,018.70

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Solution

The fourth proportional to 6,391,788.30, 9,587,682.45 and 5,384,018.70 is: 8,076,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,788.30 : 9,587,682.45 = 5,384,018.70 : x
  2. Step 2: Convert to fraction form
    6,391,788.30/9,587,682.45 = 5,384,018.70/x
  3. Step 3: Cross multiply
    6,391,788.30x = 9,587,682.45 × 5,384,018.70
  4. Step 4: Simplify right side
    6,391,788.30x = 51,620,261,600,461.81
  5. Step 5: Solve for x
    x = 51,620,261,600,461.81/6,391,788.30
  6. Step 6: Final answer
    x = 8,076,028.05

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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.