Home / 21,032,684.82-31,363,463.30-20,283,353.01

Finding the Fourth Proportional to 21,032,684.82, 31,363,463.30 and 20,283,353.01

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Solution

The fourth proportional to 21,032,684.82, 31,363,463.30 and 20,283,353.01 is: 30,246,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,684.82 : 31,363,463.30 = 20,283,353.01 : x
  2. Step 2: Convert to fraction form
    21,032,684.82/31,363,463.30 = 20,283,353.01/x
  3. Step 3: Cross multiply
    21,032,684.82x = 31,363,463.30 × 20,283,353.01
  4. Step 4: Simplify right side
    21,032,684.82x = 636,156,197,628,662.88
  5. Step 5: Solve for x
    x = 636,156,197,628,662.88/21,032,684.82
  6. Step 6: Final answer
    x = 30,246,076.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.