Home / 12,302,939.70-18,454,312.35-3,205,019.70

Finding the Fourth Proportional to 12,302,939.70, 18,454,312.35 and 3,205,019.70

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Solution

The fourth proportional to 12,302,939.70, 18,454,312.35 and 3,205,019.70 is: 4,807,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,939.70 : 18,454,312.35 = 3,205,019.70 : x
  2. Step 2: Convert to fraction form
    12,302,939.70/18,454,312.35 = 3,205,019.70/x
  3. Step 3: Cross multiply
    12,302,939.70x = 18,454,312.35 × 3,205,019.70
  4. Step 4: Simplify right side
    12,302,939.70x = 59,146,434,631,703.30
  5. Step 5: Solve for x
    x = 59,146,434,631,703.30/12,302,939.70
  6. Step 6: Final answer
    x = 4,807,504.23

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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.