Home / 26,929,934.11-40,398,887.58-9,889,278.45

Finding the Fourth Proportional to 26,929,934.11, 40,398,887.58 and 9,889,278.45

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Solution

The fourth proportional to 26,929,934.11, 40,398,887.58 and 9,889,278.45 is: 14,835,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929,934.11 : 40,398,887.58 = 9,889,278.45 : x
  2. Step 2: Convert to fraction form
    26,929,934.11/40,398,887.58 = 9,889,278.45/x
  3. Step 3: Cross multiply
    26,929,934.11x = 40,398,887.58 × 9,889,278.45
  4. Step 4: Simplify right side
    26,929,934.11x = 399,515,848,348,866.62
  5. Step 5: Solve for x
    x = 399,515,848,348,866.62/26,929,934.11
  6. Step 6: Final answer
    x = 14,835,381.58

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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.