Home / 19,641,078.76-27,105,529.92-10,939,253.60

Finding the Fourth Proportional to 19,641,078.76, 27,105,529.92 and 10,939,253.60

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Solution

The fourth proportional to 19,641,078.76, 27,105,529.92 and 10,939,253.60 is: 15,096,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641,078.76 : 27,105,529.92 = 10,939,253.60 : x
  2. Step 2: Convert to fraction form
    19,641,078.76/27,105,529.92 = 10,939,253.60/x
  3. Step 3: Cross multiply
    19,641,078.76x = 27,105,529.92 × 10,939,253.60
  4. Step 4: Simplify right side
    19,641,078.76x = 296,514,265,757,267.75
  5. Step 5: Solve for x
    x = 296,514,265,757,267.75/19,641,078.76
  6. Step 6: Final answer
    x = 15,096,638.50

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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.