Home / 12,805,782.66-17,671,604.13-7,004,438.82

Finding the Fourth Proportional to 12,805,782.66, 17,671,604.13 and 7,004,438.82

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Solution

The fourth proportional to 12,805,782.66, 17,671,604.13 and 7,004,438.82 is: 9,665,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,782.66 : 17,671,604.13 = 7,004,438.82 : x
  2. Step 2: Convert to fraction form
    12,805,782.66/17,671,604.13 = 7,004,438.82/x
  3. Step 3: Cross multiply
    12,805,782.66x = 17,671,604.13 × 7,004,438.82
  4. Step 4: Simplify right side
    12,805,782.66x = 123,779,669,979,844.33
  5. Step 5: Solve for x
    x = 123,779,669,979,844.33/12,805,782.66
  6. Step 6: Final answer
    x = 9,665,919.94

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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.