Home / 31,699,949.45-47,516,740.22-13,266,456.45

Finding the Fourth Proportional to 31,699,949.45, 47,516,740.22 and 13,266,456.45

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Solution

The fourth proportional to 31,699,949.45, 47,516,740.22 and 13,266,456.45 is: 19,885,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699,949.45 : 47,516,740.22 = 13,266,456.45 : x
  2. Step 2: Convert to fraction form
    31,699,949.45/47,516,740.22 = 13,266,456.45/x
  3. Step 3: Cross multiply
    31,699,949.45x = 47,516,740.22 × 13,266,456.45
  4. Step 4: Simplify right side
    31,699,949.45x = 630,378,764,708,261.12
  5. Step 5: Solve for x
    x = 630,378,764,708,261.12/31,699,949.45
  6. Step 6: Final answer
    x = 19,885,797.16

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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.