Home / 31,449,992.40-43,402,775.94-18,894,887.10

Finding the Fourth Proportional to 31,449,992.40, 43,402,775.94 and 18,894,887.10

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Solution

The fourth proportional to 31,449,992.40, 43,402,775.94 and 18,894,887.10 is: 26,076,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449,992.40 : 43,402,775.94 = 18,894,887.10 : x
  2. Step 2: Convert to fraction form
    31,449,992.40/43,402,775.94 = 18,894,887.10/x
  3. Step 3: Cross multiply
    31,449,992.40x = 43,402,775.94 × 18,894,887.10
  4. Step 4: Simplify right side
    31,449,992.40x = 820,090,551,212,896.38
  5. Step 5: Solve for x
    x = 820,090,551,212,896.38/31,449,992.40
  6. Step 6: Final answer
    x = 26,076,017.47

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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.