Home / 27,483,478.29-37,941,924.75-21,190,260.72

Finding the Fourth Proportional to 27,483,478.29, 37,941,924.75 and 21,190,260.72

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Solution

The fourth proportional to 27,483,478.29, 37,941,924.75 and 21,190,260.72 is: 29,253,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483,478.29 : 37,941,924.75 = 21,190,260.72 : x
  2. Step 2: Convert to fraction form
    27,483,478.29/37,941,924.75 = 21,190,260.72/x
  3. Step 3: Cross multiply
    27,483,478.29x = 37,941,924.75 × 21,190,260.72
  4. Step 4: Simplify right side
    27,483,478.29x = 803,999,277,671,120.75
  5. Step 5: Solve for x
    x = 803,999,277,671,120.75/27,483,478.29
  6. Step 6: Final answer
    x = 29,253,912.81

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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.