Home / 20,733,013.70-31,099,520.56-9,218,458.70

Finding the Fourth Proportional to 20,733,013.70, 31,099,520.56 and 9,218,458.70

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Solution

The fourth proportional to 20,733,013.70, 31,099,520.56 and 9,218,458.70 is: 13,827,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,013.70 : 31,099,520.56 = 9,218,458.70 : x
  2. Step 2: Convert to fraction form
    20,733,013.70/31,099,520.56 = 9,218,458.70/x
  3. Step 3: Cross multiply
    20,733,013.70x = 31,099,520.56 × 9,218,458.70
  4. Step 4: Simplify right side
    20,733,013.70x = 286,689,645,872,160.81
  5. Step 5: Solve for x
    x = 286,689,645,872,160.81/20,733,013.70
  6. Step 6: Final answer
    x = 13,827,688.05

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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.