Home / 28,606,377.81-39,476,336.31-15,553,965.42

Finding the Fourth Proportional to 28,606,377.81, 39,476,336.31 and 15,553,965.42

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Solution

The fourth proportional to 28,606,377.81, 39,476,336.31 and 15,553,965.42 is: 21,464,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606,377.81 : 39,476,336.31 = 15,553,965.42 : x
  2. Step 2: Convert to fraction form
    28,606,377.81/39,476,336.31 = 15,553,965.42/x
  3. Step 3: Cross multiply
    28,606,377.81x = 39,476,336.31 × 15,553,965.42
  4. Step 4: Simplify right side
    28,606,377.81x = 614,013,569,874,030.38
  5. Step 5: Solve for x
    x = 614,013,569,874,030.38/28,606,377.81
  6. Step 6: Final answer
    x = 21,464,219.41

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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.