Home / 15,756,414.40-21,761,787.92-10,590,807.88

Finding the Fourth Proportional to 15,756,414.40, 21,761,787.92 and 10,590,807.88

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Solution

The fourth proportional to 15,756,414.40, 21,761,787.92 and 10,590,807.88 is: 14,627,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756,414.40 : 21,761,787.92 = 10,590,807.88 : x
  2. Step 2: Convert to fraction form
    15,756,414.40/21,761,787.92 = 10,590,807.88/x
  3. Step 3: Cross multiply
    15,756,414.40x = 21,761,787.92 × 10,590,807.88
  4. Step 4: Simplify right side
    15,756,414.40x = 230,474,914,986,024.84
  5. Step 5: Solve for x
    x = 230,474,914,986,024.84/15,756,414.40
  6. Step 6: Final answer
    x = 14,627,370.74

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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.