Home / 31,819,621.72-47,731,318.90-9,964,088.72

Finding the Fourth Proportional to 31,819,621.72, 47,731,318.90 and 9,964,088.72

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Solution

The fourth proportional to 31,819,621.72, 47,731,318.90 and 9,964,088.72 is: 14,946,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819,621.72 : 47,731,318.90 = 9,964,088.72 : x
  2. Step 2: Convert to fraction form
    31,819,621.72/47,731,318.90 = 9,964,088.72/x
  3. Step 3: Cross multiply
    31,819,621.72x = 47,731,318.90 × 9,964,088.72
  4. Step 4: Simplify right side
    31,819,621.72x = 475,599,096,242,212.81
  5. Step 5: Solve for x
    x = 475,599,096,242,212.81/31,819,621.72
  6. Step 6: Final answer
    x = 14,946,723.77

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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.