Home / 28,383,424.44-39,186,140.52-18,610,916.40

Finding the Fourth Proportional to 28,383,424.44, 39,186,140.52 and 18,610,916.40

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Solution

The fourth proportional to 28,383,424.44, 39,186,140.52 and 18,610,916.40 is: 25,694,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383,424.44 : 39,186,140.52 = 18,610,916.40 : x
  2. Step 2: Convert to fraction form
    28,383,424.44/39,186,140.52 = 18,610,916.40/x
  3. Step 3: Cross multiply
    28,383,424.44x = 39,186,140.52 × 18,610,916.40
  4. Step 4: Simplify right side
    28,383,424.44x = 729,289,985,256,372.50
  5. Step 5: Solve for x
    x = 729,289,985,256,372.50/28,383,424.44
  6. Step 6: Final answer
    x = 25,694,221.17

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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.