Home / 22,147,639.10-33,221,458.65-20,803,946.30

Finding the Fourth Proportional to 22,147,639.10, 33,221,458.65 and 20,803,946.30

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Solution

The fourth proportional to 22,147,639.10, 33,221,458.65 and 20,803,946.30 is: 31,205,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,639.10 : 33,221,458.65 = 20,803,946.30 : x
  2. Step 2: Convert to fraction form
    22,147,639.10/33,221,458.65 = 20,803,946.30/x
  3. Step 3: Cross multiply
    22,147,639.10x = 33,221,458.65 × 20,803,946.30
  4. Step 4: Simplify right side
    22,147,639.10x = 691,137,441,762,270.50
  5. Step 5: Solve for x
    x = 691,137,441,762,270.50/22,147,639.10
  6. Step 6: Final answer
    x = 31,205,919.45

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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.