Home / 18,639,139.10-27,960,324.26-5,688,205.56

Finding the Fourth Proportional to 18,639,139.10, 27,960,324.26 and 5,688,205.56

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Solution

The fourth proportional to 18,639,139.10, 27,960,324.26 and 5,688,205.56 is: 8,532,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639,139.10 : 27,960,324.26 = 5,688,205.56 : x
  2. Step 2: Convert to fraction form
    18,639,139.10/27,960,324.26 = 5,688,205.56/x
  3. Step 3: Cross multiply
    18,639,139.10x = 27,960,324.26 × 5,688,205.56
  4. Step 4: Simplify right side
    18,639,139.10x = 159,044,071,886,693.84
  5. Step 5: Solve for x
    x = 159,044,071,886,693.84/18,639,139.10
  6. Step 6: Final answer
    x = 8,532,801.39

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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.