Home / 28,396,627.65-39,187,356.62-15,343,886.52

Finding the Fourth Proportional to 28,396,627.65, 39,187,356.62 and 15,343,886.52

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Solution

The fourth proportional to 28,396,627.65, 39,187,356.62 and 15,343,886.52 is: 21,174,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396,627.65 : 39,187,356.62 = 15,343,886.52 : x
  2. Step 2: Convert to fraction form
    28,396,627.65/39,187,356.62 = 15,343,886.52/x
  3. Step 3: Cross multiply
    28,396,627.65x = 39,187,356.62 × 15,343,886.52
  4. Step 4: Simplify right side
    28,396,627.65x = 601,286,352,919,331.38
  5. Step 5: Solve for x
    x = 601,286,352,919,331.38/28,396,627.65
  6. Step 6: Final answer
    x = 21,174,569.05

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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.