Home / 15,423,328.80-21,284,195.76-8,548,254.72

Finding the Fourth Proportional to 15,423,328.80, 21,284,195.76 and 8,548,254.72

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Solution

The fourth proportional to 15,423,328.80, 21,284,195.76 and 8,548,254.72 is: 11,796,592.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423,328.80 : 21,284,195.76 = 8,548,254.72 : x
  2. Step 2: Convert to fraction form
    15,423,328.80/21,284,195.76 = 8,548,254.72/x
  3. Step 3: Cross multiply
    15,423,328.80x = 21,284,195.76 × 8,548,254.72
  4. Step 4: Simplify right side
    15,423,328.80x = 181,942,726,866,824
  5. Step 5: Solve for x
    x = 181,942,726,866,824/15,423,328.80
  6. Step 6: Final answer
    x = 11,796,592.63

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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.