Home / 31,345,760.99-47,024,290.34-12,898,447.43

Finding the Fourth Proportional to 31,345,760.99, 47,024,290.34 and 12,898,447.43

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Solution

The fourth proportional to 31,345,760.99, 47,024,290.34 and 12,898,447.43 is: 19,349,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345,760.99 : 47,024,290.34 = 12,898,447.43 : x
  2. Step 2: Convert to fraction form
    31,345,760.99/47,024,290.34 = 12,898,447.43/x
  3. Step 3: Cross multiply
    31,345,760.99x = 47,024,290.34 × 12,898,447.43
  4. Step 4: Simplify right side
    31,345,760.99x = 606,540,336,883,546.88
  5. Step 5: Solve for x
    x = 606,540,336,883,546.88/31,345,760.99
  6. Step 6: Final answer
    x = 19,349,995.59

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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.