Home / 31,751,036.70-47,632,775.85-13,555,196.70

Finding the Fourth Proportional to 31,751,036.70, 47,632,775.85 and 13,555,196.70

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Solution

The fourth proportional to 31,751,036.70, 47,632,775.85 and 13,555,196.70 is: 20,335,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751,036.70 : 47,632,775.85 = 13,555,196.70 : x
  2. Step 2: Convert to fraction form
    31,751,036.70/47,632,775.85 = 13,555,196.70/x
  3. Step 3: Cross multiply
    31,751,036.70x = 47,632,775.85 × 13,555,196.70
  4. Step 4: Simplify right side
    31,751,036.70x = 645,671,646,013,759.62
  5. Step 5: Solve for x
    x = 645,671,646,013,759.62/31,751,036.70
  6. Step 6: Final answer
    x = 20,335,450.84

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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.