Home / 31,699,974.40-47,516,777.64-13,266,481.40

Finding the Fourth Proportional to 31,699,974.40, 47,516,777.64 and 13,266,481.40

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Solution

The fourth proportional to 31,699,974.40, 47,516,777.64 and 13,266,481.40 is: 19,885,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699,974.40 : 47,516,777.64 = 13,266,481.40 : x
  2. Step 2: Convert to fraction form
    31,699,974.40/47,516,777.64 = 13,266,481.40/x
  3. Step 3: Cross multiply
    31,699,974.40x = 47,516,777.64 × 13,266,481.40
  4. Step 4: Simplify right side
    31,699,974.40x = 630,380,446,748,995.88
  5. Step 5: Solve for x
    x = 630,380,446,748,995.88/31,699,974.40
  6. Step 6: Final answer
    x = 19,885,834.57

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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.