Home / 27,616,889.28-38,097,299.52-21,079,168.68

Finding the Fourth Proportional to 27,616,889.28, 38,097,299.52 and 21,079,168.68

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Solution

The fourth proportional to 27,616,889.28, 38,097,299.52 and 21,079,168.68 is: 29,078,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616,889.28 : 38,097,299.52 = 21,079,168.68 : x
  2. Step 2: Convert to fraction form
    27,616,889.28/38,097,299.52 = 21,079,168.68/x
  3. Step 3: Cross multiply
    27,616,889.28x = 38,097,299.52 × 21,079,168.68
  4. Step 4: Simplify right side
    27,616,889.28x = 803,059,402,834,563.12
  5. Step 5: Solve for x
    x = 803,059,402,834,563.12/27,616,889.28
  6. Step 6: Final answer
    x = 29,078,561.12

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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.