Home / 28,072,379.70-42,108,569.55-23,962,569.30

Finding the Fourth Proportional to 28,072,379.70, 42,108,569.55 and 23,962,569.30

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Solution

The fourth proportional to 28,072,379.70, 42,108,569.55 and 23,962,569.30 is: 35,943,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,379.70 : 42,108,569.55 = 23,962,569.30 : x
  2. Step 2: Convert to fraction form
    28,072,379.70/42,108,569.55 = 23,962,569.30/x
  3. Step 3: Cross multiply
    28,072,379.70x = 42,108,569.55 × 23,962,569.30
  4. Step 4: Simplify right side
    28,072,379.70x = 1,009,029,515,965,744.75
  5. Step 5: Solve for x
    x = 1,009,029,515,965,744.75/28,072,379.70
  6. Step 6: Final answer
    x = 35,943,853.95

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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.