Home / 12,011,633.72-18,017,446.05-4,823,165.46

Finding the Fourth Proportional to 12,011,633.72, 18,017,446.05 and 4,823,165.46

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Solution

The fourth proportional to 12,011,633.72, 18,017,446.05 and 4,823,165.46 is: 7,234,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,633.72 : 18,017,446.05 = 4,823,165.46 : x
  2. Step 2: Convert to fraction form
    12,011,633.72/18,017,446.05 = 4,823,165.46/x
  3. Step 3: Cross multiply
    12,011,633.72x = 18,017,446.05 × 4,823,165.46
  4. Step 4: Simplify right side
    12,011,633.72x = 86,901,123,465,773.44
  5. Step 5: Solve for x
    x = 86,901,123,465,773.44/12,011,633.72
  6. Step 6: Final answer
    x = 7,234,746.37

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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.