Home / 20,663,898.84-31,000,332.39-6,286,592.94

Finding the Fourth Proportional to 20,663,898.84, 31,000,332.39 and 6,286,592.94

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Solution

The fourth proportional to 20,663,898.84, 31,000,332.39 and 6,286,592.94 is: 9,431,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,663,898.84 : 31,000,332.39 = 6,286,592.94 : x
  2. Step 2: Convert to fraction form
    20,663,898.84/31,000,332.39 = 6,286,592.94/x
  3. Step 3: Cross multiply
    20,663,898.84x = 31,000,332.39 × 6,286,592.94
  4. Step 4: Simplify right side
    20,663,898.84x = 194,886,470,740,627.34
  5. Step 5: Solve for x
    x = 194,886,470,740,627.34/20,663,898.84
  6. Step 6: Final answer
    x = 9,431,253.62

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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.