Home / 19,640,963.72-27,105,374.62-10,939,140.20

Finding the Fourth Proportional to 19,640,963.72, 27,105,374.62 and 10,939,140.20

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Solution

The fourth proportional to 19,640,963.72, 27,105,374.62 and 10,939,140.20 is: 15,096,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640,963.72 : 27,105,374.62 = 10,939,140.20 : x
  2. Step 2: Convert to fraction form
    19,640,963.72/27,105,374.62 = 10,939,140.20/x
  3. Step 3: Cross multiply
    19,640,963.72x = 27,105,374.62 × 10,939,140.20
  4. Step 4: Simplify right side
    19,640,963.72x = 296,509,493,141,701.69
  5. Step 5: Solve for x
    x = 296,509,493,141,701.69/19,640,963.72
  6. Step 6: Final answer
    x = 15,096,483.93

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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.