Home / 31,415,037.12-47,117,306.80-8,698,230.72

Finding the Fourth Proportional to 31,415,037.12, 47,117,306.80 and 8,698,230.72

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Solution

The fourth proportional to 31,415,037.12, 47,117,306.80 and 8,698,230.72 is: 13,045,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415,037.12 : 47,117,306.80 = 8,698,230.72 : x
  2. Step 2: Convert to fraction form
    31,415,037.12/47,117,306.80 = 8,698,230.72/x
  3. Step 3: Cross multiply
    31,415,037.12x = 47,117,306.80 × 8,698,230.72
  4. Step 4: Simplify right side
    31,415,037.12x = 409,837,205,451,424.88
  5. Step 5: Solve for x
    x = 409,837,205,451,424.88/31,415,037.12
  6. Step 6: Final answer
    x = 13,045,892.76

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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.