Home / 28,033,605.16-38,686,382.26-15,474,666.97

Finding the Fourth Proportional to 28,033,605.16, 38,686,382.26 and 15,474,666.97

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Solution

The fourth proportional to 28,033,605.16, 38,686,382.26 and 15,474,666.97 is: 21,355,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033,605.16 : 38,686,382.26 = 15,474,666.97 : x
  2. Step 2: Convert to fraction form
    28,033,605.16/38,686,382.26 = 15,474,666.97/x
  3. Step 3: Cross multiply
    28,033,605.16x = 38,686,382.26 × 15,474,666.97
  4. Step 4: Simplify right side
    28,033,605.16x = 598,658,881,867,466.38
  5. Step 5: Solve for x
    x = 598,658,881,867,466.38/28,033,605.16
  6. Step 6: Final answer
    x = 21,355,044.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.