Home / 15,013,400.07-20,718,472.24-8,137,880.31

Finding the Fourth Proportional to 15,013,400.07, 20,718,472.24 and 8,137,880.31

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Solution

The fourth proportional to 15,013,400.07, 20,718,472.24 and 8,137,880.31 is: 11,230,264.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013,400.07 : 20,718,472.24 = 8,137,880.31 : x
  2. Step 2: Convert to fraction form
    15,013,400.07/20,718,472.24 = 8,137,880.31/x
  3. Step 3: Cross multiply
    15,013,400.07x = 20,718,472.24 × 8,137,880.31
  4. Step 4: Simplify right side
    15,013,400.07x = 168,604,447,295,177.56
  5. Step 5: Solve for x
    x = 168,604,447,295,177.56/15,013,400.07
  6. Step 6: Final answer
    x = 11,230,264.06

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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.