Home / 6,665,510.79-9,997,245.11-2,115,965.77

Finding the Fourth Proportional to 6,665,510.79, 9,997,245.11 and 2,115,965.77

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Solution

The fourth proportional to 6,665,510.79, 9,997,245.11 and 2,115,965.77 is: 3,173,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,510.79 : 9,997,245.11 = 2,115,965.77 : x
  2. Step 2: Convert to fraction form
    6,665,510.79/9,997,245.11 = 2,115,965.77/x
  3. Step 3: Cross multiply
    6,665,510.79x = 9,997,245.11 × 2,115,965.77
  4. Step 4: Simplify right side
    6,665,510.79x = 21,153,828,427,356.69
  5. Step 5: Solve for x
    x = 21,153,828,427,356.69/6,665,510.79
  6. Step 6: Final answer
    x = 3,173,624.51

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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.