Home / 31,653,564.32-47,455,542.66-12,498,659.18

Finding the Fourth Proportional to 31,653,564.32, 47,455,542.66 and 12,498,659.18

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Solution

The fourth proportional to 31,653,564.32, 47,455,542.66 and 12,498,659.18 is: 18,738,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653,564.32 : 47,455,542.66 = 12,498,659.18 : x
  2. Step 2: Convert to fraction form
    31,653,564.32/47,455,542.66 = 12,498,659.18/x
  3. Step 3: Cross multiply
    31,653,564.32x = 47,455,542.66 × 12,498,659.18
  4. Step 4: Simplify right side
    31,653,564.32x = 593,130,653,909,290.50
  5. Step 5: Solve for x
    x = 593,130,653,909,290.50/31,653,564.32
  6. Step 6: Final answer
    x = 18,738,194.79

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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.