Home / 20,822,807.97-31,213,618.47-9,873,737.37

Finding the Fourth Proportional to 20,822,807.97, 31,213,618.47 and 9,873,737.37

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Solution

The fourth proportional to 20,822,807.97, 31,213,618.47 and 9,873,737.37 is: 14,800,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,822,807.97 : 31,213,618.47 = 9,873,737.37 : x
  2. Step 2: Convert to fraction form
    20,822,807.97/31,213,618.47 = 9,873,737.37/x
  3. Step 3: Cross multiply
    20,822,807.97x = 31,213,618.47 × 9,873,737.37
  4. Step 4: Simplify right side
    20,822,807.97x = 308,195,071,140,161.19
  5. Step 5: Solve for x
    x = 308,195,071,140,161.19/20,822,807.97
  6. Step 6: Final answer
    x = 14,800,841.06

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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.