Home / 15,585,513.94-21,508,964.13-8,710,544.98

Finding the Fourth Proportional to 15,585,513.94, 21,508,964.13 and 8,710,544.98

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Solution

The fourth proportional to 15,585,513.94, 21,508,964.13 and 8,710,544.98 is: 12,021,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,513.94 : 21,508,964.13 = 8,710,544.98 : x
  2. Step 2: Convert to fraction form
    15,585,513.94/21,508,964.13 = 8,710,544.98/x
  3. Step 3: Cross multiply
    15,585,513.94x = 21,508,964.13 × 8,710,544.98
  4. Step 4: Simplify right side
    15,585,513.94x = 187,354,799,527,571.56
  5. Step 5: Solve for x
    x = 187,354,799,527,571.56/15,585,513.94
  6. Step 6: Final answer
    x = 12,021,085.75

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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.