Home / 28,267,082.70-42,403,571.35-7,796,805.69

Finding the Fourth Proportional to 28,267,082.70, 42,403,571.35 and 7,796,805.69

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Solution

The fourth proportional to 28,267,082.70, 42,403,571.35 and 7,796,805.69 is: 11,696,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,267,082.70 : 42,403,571.35 = 7,796,805.69 : x
  2. Step 2: Convert to fraction form
    28,267,082.70/42,403,571.35 = 7,796,805.69/x
  3. Step 3: Cross multiply
    28,267,082.70x = 42,403,571.35 × 7,796,805.69
  4. Step 4: Simplify right side
    28,267,082.70x = 330,612,406,517,522.31
  5. Step 5: Solve for x
    x = 330,612,406,517,522.31/28,267,082.70
  6. Step 6: Final answer
    x = 11,696,021.48

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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.