Home / 21,061,315.50-31,591,973.28-5,104,963.50

Finding the Fourth Proportional to 21,061,315.50, 31,591,973.28 and 5,104,963.50

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Solution

The fourth proportional to 21,061,315.50, 31,591,973.28 and 5,104,963.50 is: 7,657,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,315.50 : 31,591,973.28 = 5,104,963.50 : x
  2. Step 2: Convert to fraction form
    21,061,315.50/31,591,973.28 = 5,104,963.50/x
  3. Step 3: Cross multiply
    21,061,315.50x = 31,591,973.28 × 5,104,963.50
  4. Step 4: Simplify right side
    21,061,315.50x = 161,275,870,487,375.28
  5. Step 5: Solve for x
    x = 161,275,870,487,375.28/21,061,315.50
  6. Step 6: Final answer
    x = 7,657,445.26

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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.