Home / 27,526,665.78-37,989,219.54-15,138,941.88

Finding the Fourth Proportional to 27,526,665.78, 37,989,219.54 and 15,138,941.88

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Solution

The fourth proportional to 27,526,665.78, 37,989,219.54 and 15,138,941.88 is: 20,893,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,526,665.78 : 37,989,219.54 = 15,138,941.88 : x
  2. Step 2: Convert to fraction form
    27,526,665.78/37,989,219.54 = 15,138,941.88/x
  3. Step 3: Cross multiply
    27,526,665.78x = 37,989,219.54 × 15,138,941.88
  4. Step 4: Simplify right side
    27,526,665.78x = 575,116,586,682,620.38
  5. Step 5: Solve for x
    x = 575,116,586,682,620.38/27,526,665.78
  6. Step 6: Final answer
    x = 20,893,071.15

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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.