Home / 31,621,419.75-43,632,733.56-17,865,364.71

Finding the Fourth Proportional to 31,621,419.75, 43,632,733.56 and 17,865,364.71

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Solution

The fourth proportional to 31,621,419.75, 43,632,733.56 and 17,865,364.71 is: 24,651,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621,419.75 : 43,632,733.56 = 17,865,364.71 : x
  2. Step 2: Convert to fraction form
    31,621,419.75/43,632,733.56 = 17,865,364.71/x
  3. Step 3: Cross multiply
    31,621,419.75x = 43,632,733.56 × 17,865,364.71
  4. Step 4: Simplify right side
    31,621,419.75x = 779,514,698,343,656.75
  5. Step 5: Solve for x
    x = 779,514,698,343,656.75/31,621,419.75
  6. Step 6: Final answer
    x = 24,651,476.89

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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.