Home / 28,644,960.96-42,967,020.44-7,079,564.50

Finding the Fourth Proportional to 28,644,960.96, 42,967,020.44 and 7,079,564.50

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Solution

The fourth proportional to 28,644,960.96, 42,967,020.44 and 7,079,564.50 is: 10,619,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644,960.96 : 42,967,020.44 = 7,079,564.50 : x
  2. Step 2: Convert to fraction form
    28,644,960.96/42,967,020.44 = 7,079,564.50/x
  3. Step 3: Cross multiply
    28,644,960.96x = 42,967,020.44 × 7,079,564.50
  4. Step 4: Simplify right side
    28,644,960.96x = 304,187,792,488,079.75
  5. Step 5: Solve for x
    x = 304,187,792,488,079.75/28,644,960.96
  6. Step 6: Final answer
    x = 10,619,242.70

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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.