Home / 15,401,838.16-21,247,863.06-9,286,869.52

Finding the Fourth Proportional to 15,401,838.16, 21,247,863.06 and 9,286,869.52

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Solution

The fourth proportional to 15,401,838.16, 21,247,863.06 and 9,286,869.52 is: 12,811,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,838.16 : 21,247,863.06 = 9,286,869.52 : x
  2. Step 2: Convert to fraction form
    15,401,838.16/21,247,863.06 = 9,286,869.52/x
  3. Step 3: Cross multiply
    15,401,838.16x = 21,247,863.06 × 9,286,869.52
  4. Step 4: Simplify right side
    15,401,838.16x = 197,326,131,817,047.91
  5. Step 5: Solve for x
    x = 197,326,131,817,047.91/15,401,838.16
  6. Step 6: Final answer
    x = 12,811,855.95

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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.