Home / 31,653,718.32-47,455,772.44-12,498,813.24

Finding the Fourth Proportional to 31,653,718.32, 47,455,772.44 and 12,498,813.24

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Solution

The fourth proportional to 31,653,718.32, 47,455,772.44 and 12,498,813.24 is: 18,738,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653,718.32 : 47,455,772.44 = 12,498,813.24 : x
  2. Step 2: Convert to fraction form
    31,653,718.32/47,455,772.44 = 12,498,813.24/x
  3. Step 3: Cross multiply
    31,653,718.32x = 47,455,772.44 × 12,498,813.24
  4. Step 4: Simplify right side
    31,653,718.32x = 593,140,836,887,499.12
  5. Step 5: Solve for x
    x = 593,140,836,887,499.12/31,653,718.32
  6. Step 6: Final answer
    x = 18,738,425.32

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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.