Home / 26,247,307.80-39,370,961.70-19,728,298.20

Finding the Fourth Proportional to 26,247,307.80, 39,370,961.70 and 19,728,298.20

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Solution

The fourth proportional to 26,247,307.80, 39,370,961.70 and 19,728,298.20 is: 29,592,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,247,307.80 : 39,370,961.70 = 19,728,298.20 : x
  2. Step 2: Convert to fraction form
    26,247,307.80/39,370,961.70 = 19,728,298.20/x
  3. Step 3: Cross multiply
    26,247,307.80x = 39,370,961.70 × 19,728,298.20
  4. Step 4: Simplify right side
    26,247,307.80x = 776,722,072,838,379
  5. Step 5: Solve for x
    x = 776,722,072,838,379/26,247,307.80
  6. Step 6: Final answer
    x = 29,592,447.30

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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.