Home / 31,805,400.76-47,702,421.44-8,462,277.80

Finding the Fourth Proportional to 31,805,400.76, 47,702,421.44 and 8,462,277.80

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Solution

The fourth proportional to 31,805,400.76, 47,702,421.44 and 8,462,277.80 is: 12,691,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,805,400.76 : 47,702,421.44 = 8,462,277.80 : x
  2. Step 2: Convert to fraction form
    31,805,400.76/47,702,421.44 = 8,462,277.80/x
  3. Step 3: Cross multiply
    31,805,400.76x = 47,702,421.44 × 8,462,277.80
  4. Step 4: Simplify right side
    31,805,400.76x = 403,671,141,957,956.06
  5. Step 5: Solve for x
    x = 403,671,141,957,956.06/31,805,400.76
  6. Step 6: Final answer
    x = 12,691,905.54

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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.