Home / 26,929,935.61-40,398,889.83-9,889,279.95

Finding the Fourth Proportional to 26,929,935.61, 40,398,889.83 and 9,889,279.95

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Solution

The fourth proportional to 26,929,935.61, 40,398,889.83 and 9,889,279.95 is: 14,835,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929,935.61 : 40,398,889.83 = 9,889,279.95 : x
  2. Step 2: Convert to fraction form
    26,929,935.61/40,398,889.83 = 9,889,279.95/x
  3. Step 3: Cross multiply
    26,929,935.61x = 40,398,889.83 × 9,889,279.95
  4. Step 4: Simplify right side
    26,929,935.61x = 399,515,931,198,077.88
  5. Step 5: Solve for x
    x = 399,515,931,198,077.88/26,929,935.61
  6. Step 6: Final answer
    x = 14,835,383.83

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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.