Home / 31,811,468.34-47,713,629.12-8,785,676.28

Finding the Fourth Proportional to 31,811,468.34, 47,713,629.12 and 8,785,676.28

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Solution

The fourth proportional to 31,811,468.34, 47,713,629.12 and 8,785,676.28 is: 13,177,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811,468.34 : 47,713,629.12 = 8,785,676.28 : x
  2. Step 2: Convert to fraction form
    31,811,468.34/47,713,629.12 = 8,785,676.28/x
  3. Step 3: Cross multiply
    31,811,468.34x = 47,713,629.12 × 8,785,676.28
  4. Step 4: Simplify right side
    31,811,468.34x = 419,196,499,592,301.19
  5. Step 5: Solve for x
    x = 419,196,499,592,301.19/31,811,468.34
  6. Step 6: Final answer
    x = 13,177,527.52

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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.