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Finding the Fourth Proportional to 27,110,447.34, 40,666,978.83 and 8,914,239.63

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Solution

The fourth proportional to 27,110,447.34, 40,666,978.83 and 8,914,239.63 is: 13,371,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,110,447.34 : 40,666,978.83 = 8,914,239.63 : x
  2. Step 2: Convert to fraction form
    27,110,447.34/40,666,978.83 = 8,914,239.63/x
  3. Step 3: Cross multiply
    27,110,447.34x = 40,666,978.83 × 8,914,239.63
  4. Step 4: Simplify right side
    27,110,447.34x = 362,515,194,318,757.06
  5. Step 5: Solve for x
    x = 362,515,194,318,757.06/27,110,447.34
  6. Step 6: Final answer
    x = 13,371,789.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.