Home / 20,663,894.33-31,000,325.64-6,286,588.45

Finding the Fourth Proportional to 20,663,894.33, 31,000,325.64 and 6,286,588.45

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Solution

The fourth proportional to 20,663,894.33, 31,000,325.64 and 6,286,588.45 is: 9,431,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,663,894.33 : 31,000,325.64 = 6,286,588.45 : x
  2. Step 2: Convert to fraction form
    20,663,894.33/31,000,325.64 = 6,286,588.45/x
  3. Step 3: Cross multiply
    20,663,894.33x = 31,000,325.64 × 6,286,588.45
  4. Step 4: Simplify right side
    20,663,894.33x = 194,886,289,241,004.12
  5. Step 5: Solve for x
    x = 194,886,289,241,004.12/20,663,894.33
  6. Step 6: Final answer
    x = 9,431,246.89

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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.