Home / 31,338,956.69-47,008,779.30-9,479,557.97

Finding the Fourth Proportional to 31,338,956.69, 47,008,779.30 and 9,479,557.97

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Solution

The fourth proportional to 31,338,956.69, 47,008,779.30 and 9,479,557.97 is: 14,219,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,338,956.69 : 47,008,779.30 = 9,479,557.97 : x
  2. Step 2: Convert to fraction form
    31,338,956.69/47,008,779.30 = 9,479,557.97/x
  3. Step 3: Cross multiply
    31,338,956.69x = 47,008,779.30 × 9,479,557.97
  4. Step 4: Simplify right side
    31,338,956.69x = 445,622,448,473,286
  5. Step 5: Solve for x
    x = 445,622,448,473,286/31,338,956.69
  6. Step 6: Final answer
    x = 14,219,441.09

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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.