Home / 21,425,557.05-32,125,384.89-8,631,118.62

Finding the Fourth Proportional to 21,425,557.05, 32,125,384.89 and 8,631,118.62

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Solution

The fourth proportional to 21,425,557.05, 32,125,384.89 and 8,631,118.62 is: 12,941,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425,557.05 : 32,125,384.89 = 8,631,118.62 : x
  2. Step 2: Convert to fraction form
    21,425,557.05/32,125,384.89 = 8,631,118.62/x
  3. Step 3: Cross multiply
    21,425,557.05x = 32,125,384.89 × 8,631,118.62
  4. Step 4: Simplify right side
    21,425,557.05x = 277,278,007,698,745.62
  5. Step 5: Solve for x
    x = 277,278,007,698,745.62/21,425,557.05
  6. Step 6: Final answer
    x = 12,941,460.85

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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.