Home / 31,514,133.27-43,492,847.43-18,472,349.70

Finding the Fourth Proportional to 31,514,133.27, 43,492,847.43 and 18,472,349.70

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Solution

The fourth proportional to 31,514,133.27, 43,492,847.43 and 18,472,349.70 is: 25,493,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514,133.27 : 43,492,847.43 = 18,472,349.70 : x
  2. Step 2: Convert to fraction form
    31,514,133.27/43,492,847.43 = 18,472,349.70/x
  3. Step 3: Cross multiply
    31,514,133.27x = 43,492,847.43 × 18,472,349.70
  4. Step 4: Simplify right side
    31,514,133.27x = 803,415,087,245,014.50
  5. Step 5: Solve for x
    x = 803,415,087,245,014.50/31,514,133.27
  6. Step 6: Final answer
    x = 25,493,802.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.