Home / 26,929,935.11-40,398,889.08-9,889,279.45

Finding the Fourth Proportional to 26,929,935.11, 40,398,889.08 and 9,889,279.45

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Solution

The fourth proportional to 26,929,935.11, 40,398,889.08 and 9,889,279.45 is: 14,835,383.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929,935.11 : 40,398,889.08 = 9,889,279.45 : x
  2. Step 2: Convert to fraction form
    26,929,935.11/40,398,889.08 = 9,889,279.45/x
  3. Step 3: Cross multiply
    26,929,935.11x = 40,398,889.08 × 9,889,279.45
  4. Step 4: Simplify right side
    26,929,935.11x = 399,515,903,581,673.38
  5. Step 5: Solve for x
    x = 399,515,903,581,673.38/26,929,935.11
  6. Step 6: Final answer
    x = 14,835,383.08

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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.