Home / 15,527,067.72-21,427,438.44-9,004,564.38

Finding the Fourth Proportional to 15,527,067.72, 21,427,438.44 and 9,004,564.38

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Solution

The fourth proportional to 15,527,067.72, 21,427,438.44 and 9,004,564.38 is: 12,426,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,067.72 : 21,427,438.44 = 9,004,564.38 : x
  2. Step 2: Convert to fraction form
    15,527,067.72/21,427,438.44 = 9,004,564.38/x
  3. Step 3: Cross multiply
    15,527,067.72x = 21,427,438.44 × 9,004,564.38
  4. Step 4: Simplify right side
    15,527,067.72x = 192,944,748,931,466.78
  5. Step 5: Solve for x
    x = 192,944,748,931,466.78/15,527,067.72
  6. Step 6: Final answer
    x = 12,426,348.13

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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.