Home / 51,686,815.56-71,328,283.82-28,482,772.92

Finding the Fourth Proportional to 51,686,815.56, 71,328,283.82 and 28,482,772.92

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Solution

The fourth proportional to 51,686,815.56, 71,328,283.82 and 28,482,772.92 is: 39,306,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686,815.56 : 71,328,283.82 = 28,482,772.92 : x
  2. Step 2: Convert to fraction form
    51,686,815.56/71,328,283.82 = 28,482,772.92/x
  3. Step 3: Cross multiply
    51,686,815.56x = 71,328,283.82 × 28,482,772.92
  4. Step 4: Simplify right side
    51,686,815.56x = 2,031,627,310,818,370
  5. Step 5: Solve for x
    x = 2,031,627,310,818,370/51,686,815.56
  6. Step 6: Final answer
    x = 39,306,490.23

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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.