Home / 31,819,620.72-47,731,317.40-9,964,087.72

Finding the Fourth Proportional to 31,819,620.72, 47,731,317.40 and 9,964,087.72

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Solution

The fourth proportional to 31,819,620.72, 47,731,317.40 and 9,964,087.72 is: 14,946,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819,620.72 : 47,731,317.40 = 9,964,087.72 : x
  2. Step 2: Convert to fraction form
    31,819,620.72/47,731,317.40 = 9,964,087.72/x
  3. Step 3: Cross multiply
    31,819,620.72x = 47,731,317.40 × 9,964,087.72
  4. Step 4: Simplify right side
    31,819,620.72x = 475,599,033,564,762.38
  5. Step 5: Solve for x
    x = 475,599,033,564,762.38/31,819,620.72
  6. Step 6: Final answer
    x = 14,946,722.27

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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.