Home / 31,653,565.32-47,455,544.16-12,498,660.18

Finding the Fourth Proportional to 31,653,565.32, 47,455,544.16 and 12,498,660.18

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Solution

The fourth proportional to 31,653,565.32, 47,455,544.16 and 12,498,660.18 is: 18,738,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653,565.32 : 47,455,544.16 = 12,498,660.18 : x
  2. Step 2: Convert to fraction form
    31,653,565.32/47,455,544.16 = 12,498,660.18/x
  3. Step 3: Cross multiply
    31,653,565.32x = 47,455,544.16 × 12,498,660.18
  4. Step 4: Simplify right side
    31,653,565.32x = 593,130,720,112,823.50
  5. Step 5: Solve for x
    x = 593,130,720,112,823.50/31,653,565.32
  6. Step 6: Final answer
    x = 18,738,196.29

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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.