Home / 15,604,623.36-21,535,217.28-8,728,695.36

Finding the Fourth Proportional to 15,604,623.36, 21,535,217.28 and 8,728,695.36

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Solution

The fourth proportional to 15,604,623.36, 21,535,217.28 and 8,728,695.36 is: 12,046,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604,623.36 : 21,535,217.28 = 8,728,695.36 : x
  2. Step 2: Convert to fraction form
    15,604,623.36/21,535,217.28 = 8,728,695.36/x
  3. Step 3: Cross multiply
    15,604,623.36x = 21,535,217.28 × 8,728,695.36
  4. Step 4: Simplify right side
    15,604,623.36x = 187,974,351,148,527.81
  5. Step 5: Solve for x
    x = 187,974,351,148,527.81/15,604,623.36
  6. Step 6: Final answer
    x = 12,046,067.81

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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.