Home / 30,746,691.76-46,121,939.52-10,278,253.12

Finding the Fourth Proportional to 30,746,691.76, 46,121,939.52 and 10,278,253.12

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Solution

The fourth proportional to 30,746,691.76, 46,121,939.52 and 10,278,253.12 is: 15,418,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746,691.76 : 46,121,939.52 = 10,278,253.12 : x
  2. Step 2: Convert to fraction form
    30,746,691.76/46,121,939.52 = 10,278,253.12/x
  3. Step 3: Cross multiply
    30,746,691.76x = 46,121,939.52 × 10,278,253.12
  4. Step 4: Simplify right side
    30,746,691.76x = 474,052,968,771,891.31
  5. Step 5: Solve for x
    x = 474,052,968,771,891.31/30,746,691.76
  6. Step 6: Final answer
    x = 15,418,015.46

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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.