Home / 28,391,569.61-39,180,367.21-15,338,828.48

Finding the Fourth Proportional to 28,391,569.61, 39,180,367.21 and 15,338,828.48

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Solution

The fourth proportional to 28,391,569.61, 39,180,367.21 and 15,338,828.48 is: 21,167,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,569.61 : 39,180,367.21 = 15,338,828.48 : x
  2. Step 2: Convert to fraction form
    28,391,569.61/39,180,367.21 = 15,338,828.48/x
  3. Step 3: Cross multiply
    28,391,569.61x = 39,180,367.21 × 15,338,828.48
  4. Step 4: Simplify right side
    28,391,569.61x = 600,980,932,183,357.25
  5. Step 5: Solve for x
    x = 600,980,932,183,357.25/28,391,569.61
  6. Step 6: Final answer
    x = 21,167,583.92

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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.