Home / 28,280,253.09-39,026,734.83-15,890,395.08

Finding the Fourth Proportional to 28,280,253.09, 39,026,734.83 and 15,890,395.08

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Solution

The fourth proportional to 28,280,253.09, 39,026,734.83 and 15,890,395.08 is: 21,928,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280,253.09 : 39,026,734.83 = 15,890,395.08 : x
  2. Step 2: Convert to fraction form
    28,280,253.09/39,026,734.83 = 15,890,395.08/x
  3. Step 3: Cross multiply
    28,280,253.09x = 39,026,734.83 × 15,890,395.08
  4. Step 4: Simplify right side
    28,280,253.09x = 620,150,235,131,096.62
  5. Step 5: Solve for x
    x = 620,150,235,131,096.62/28,280,253.09
  6. Step 6: Final answer
    x = 21,928,737.10

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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.