Home / 30,471,260.89-45,696,262.50-13,422,633.61

Finding the Fourth Proportional to 30,471,260.89, 45,696,262.50 and 13,422,633.61

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Solution

The fourth proportional to 30,471,260.89, 45,696,262.50 and 13,422,633.61 is: 20,129,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471,260.89 : 45,696,262.50 = 13,422,633.61 : x
  2. Step 2: Convert to fraction form
    30,471,260.89/45,696,262.50 = 13,422,633.61/x
  3. Step 3: Cross multiply
    30,471,260.89x = 45,696,262.50 × 13,422,633.61
  4. Step 4: Simplify right side
    30,471,260.89x = 613,364,188,769,642
  5. Step 5: Solve for x
    x = 613,364,188,769,642/30,471,260.89
  6. Step 6: Final answer
    x = 20,129,268.40

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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.