Home / 30,471,260.14-45,696,261.38-13,422,632.86

Finding the Fourth Proportional to 30,471,260.14, 45,696,261.38 and 13,422,632.86

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Solution

The fourth proportional to 30,471,260.14, 45,696,261.38 and 13,422,632.86 is: 20,129,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471,260.14 : 45,696,261.38 = 13,422,632.86 : x
  2. Step 2: Convert to fraction form
    30,471,260.14/45,696,261.38 = 13,422,632.86/x
  3. Step 3: Cross multiply
    30,471,260.14x = 45,696,261.38 × 13,422,632.86
  4. Step 4: Simplify right side
    30,471,260.14x = 613,364,139,396,983.12
  5. Step 5: Solve for x
    x = 613,364,139,396,983.12/30,471,260.14
  6. Step 6: Final answer
    x = 20,129,267.27

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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.