Home / 8,809,587-13,213,849.46-5,238,082.05

Finding the Fourth Proportional to 8,809,587, 13,213,849.46 and 5,238,082.05

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Solution

The fourth proportional to 8,809,587, 13,213,849.46 and 5,238,082.05 is: 7,856,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809,587 : 13,213,849.46 = 5,238,082.05 : x
  2. Step 2: Convert to fraction form
    8,809,587/13,213,849.46 = 5,238,082.05/x
  3. Step 3: Cross multiply
    8,809,587x = 13,213,849.46 × 5,238,082.05
  4. Step 4: Simplify right side
    8,809,587x = 69,215,227,621,550.05
  5. Step 5: Solve for x
    x = 69,215,227,621,550.05/8,809,587
  6. Step 6: Final answer
    x = 7,856,807.32

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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.