Home / 38,216,631.81-57,268,260.64-28,069,651.65

Finding the Fourth Proportional to 38,216,631.81, 57,268,260.64 and 28,069,651.65

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Solution

The fourth proportional to 38,216,631.81, 57,268,260.64 and 28,069,651.65 is: 42,062,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216,631.81 : 57,268,260.64 = 28,069,651.65 : x
  2. Step 2: Convert to fraction form
    38,216,631.81/57,268,260.64 = 28,069,651.65/x
  3. Step 3: Cross multiply
    38,216,631.81x = 57,268,260.64 × 28,069,651.65
  4. Step 4: Simplify right side
    38,216,631.81x = 1,607,500,126,766,206
  5. Step 5: Solve for x
    x = 1,607,500,126,766,206/38,216,631.81
  6. Step 6: Final answer
    x = 42,062,841.51

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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.