Home / 31,788,353.36-43,883,478.48-21,330,628.04

Finding the Fourth Proportional to 31,788,353.36, 43,883,478.48 and 21,330,628.04

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Solution

The fourth proportional to 31,788,353.36, 43,883,478.48 and 21,330,628.04 is: 29,446,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788,353.36 : 43,883,478.48 = 21,330,628.04 : x
  2. Step 2: Convert to fraction form
    31,788,353.36/43,883,478.48 = 21,330,628.04/x
  3. Step 3: Cross multiply
    31,788,353.36x = 43,883,478.48 × 21,330,628.04
  4. Step 4: Simplify right side
    31,788,353.36x = 936,062,156,558,224.50
  5. Step 5: Solve for x
    x = 936,062,156,558,224.50/31,788,353.36
  6. Step 6: Final answer
    x = 29,446,701.63

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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.