Home / 10,388,755.76-15,583,133.78-2,815,721.52

Finding the Fourth Proportional to 10,388,755.76, 15,583,133.78 and 2,815,721.52

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Solution

The fourth proportional to 10,388,755.76, 15,583,133.78 and 2,815,721.52 is: 4,223,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,755.76 : 15,583,133.78 = 2,815,721.52 : x
  2. Step 2: Convert to fraction form
    10,388,755.76/15,583,133.78 = 2,815,721.52/x
  3. Step 3: Cross multiply
    10,388,755.76x = 15,583,133.78 × 2,815,721.52
  4. Step 4: Simplify right side
    10,388,755.76x = 43,877,765,133,384.95
  5. Step 5: Solve for x
    x = 43,877,765,133,384.95/10,388,755.76
  6. Step 6: Final answer
    x = 4,223,582.32

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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.