Home / 27,526,666.78-37,989,220.92-15,138,942.88

Finding the Fourth Proportional to 27,526,666.78, 37,989,220.92 and 15,138,942.88

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Solution

The fourth proportional to 27,526,666.78, 37,989,220.92 and 15,138,942.88 is: 20,893,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,526,666.78 : 37,989,220.92 = 15,138,942.88 : x
  2. Step 2: Convert to fraction form
    27,526,666.78/37,989,220.92 = 15,138,942.88/x
  3. Step 3: Cross multiply
    27,526,666.78x = 37,989,220.92 × 15,138,942.88
  4. Step 4: Simplify right side
    27,526,666.78x = 575,116,645,563,581.12
  5. Step 5: Solve for x
    x = 575,116,645,563,581.12/27,526,666.78
  6. Step 6: Final answer
    x = 20,893,072.53

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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.