Home / 21,102,632.80-31,653,949.20-17,701,410.40

Finding the Fourth Proportional to 21,102,632.80, 31,653,949.20 and 17,701,410.40

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Solution

The fourth proportional to 21,102,632.80, 31,653,949.20 and 17,701,410.40 is: 26,552,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,102,632.80 : 31,653,949.20 = 17,701,410.40 : x
  2. Step 2: Convert to fraction form
    21,102,632.80/31,653,949.20 = 17,701,410.40/x
  3. Step 3: Cross multiply
    21,102,632.80x = 31,653,949.20 × 17,701,410.40
  4. Step 4: Simplify right side
    21,102,632.80x = 560,319,545,569,951.62
  5. Step 5: Solve for x
    x = 560,319,545,569,951.62/21,102,632.80
  6. Step 6: Final answer
    x = 26,552,115.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.