Home / 10,278,338.65-15,411,531.87-3,889,083.76

Finding the Fourth Proportional to 10,278,338.65, 15,411,531.87 and 3,889,083.76

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Solution

The fourth proportional to 10,278,338.65, 15,411,531.87 and 3,889,083.76 is: 5,831,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,338.65 : 15,411,531.87 = 3,889,083.76 : x
  2. Step 2: Convert to fraction form
    10,278,338.65/15,411,531.87 = 3,889,083.76/x
  3. Step 3: Cross multiply
    10,278,338.65x = 15,411,531.87 × 3,889,083.76
  4. Step 4: Simplify right side
    10,278,338.65x = 59,936,738,273,810.59
  5. Step 5: Solve for x
    x = 59,936,738,273,810.59/10,278,338.65
  6. Step 6: Final answer
    x = 5,831,364.42

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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.