Home / 20,717,865.63-31,079,197.23-6,886,059.75

Finding the Fourth Proportional to 20,717,865.63, 31,079,197.23 and 6,886,059.75

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Solution

The fourth proportional to 20,717,865.63, 31,079,197.23 and 6,886,059.75 is: 10,329,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,865.63 : 31,079,197.23 = 6,886,059.75 : x
  2. Step 2: Convert to fraction form
    20,717,865.63/31,079,197.23 = 6,886,059.75/x
  3. Step 3: Cross multiply
    20,717,865.63x = 31,079,197.23 × 6,886,059.75
  4. Step 4: Simplify right side
    20,717,865.63x = 214,013,209,107,814.50
  5. Step 5: Solve for x
    x = 214,013,209,107,814.50/20,717,865.63
  6. Step 6: Final answer
    x = 10,329,886.92

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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.