Home / 31,880,471.52-43,994,826.36-18,129,432

Finding the Fourth Proportional to 31,880,471.52, 43,994,826.36 and 18,129,432

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Solution

The fourth proportional to 31,880,471.52, 43,994,826.36 and 18,129,432 is: 25,018,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880,471.52 : 43,994,826.36 = 18,129,432 : x
  2. Step 2: Convert to fraction form
    31,880,471.52/43,994,826.36 = 18,129,432/x
  3. Step 3: Cross multiply
    31,880,471.52x = 43,994,826.36 × 18,129,432
  4. Step 4: Simplify right side
    31,880,471.52x = 797,601,212,845,427.50
  5. Step 5: Solve for x
    x = 797,601,212,845,427.50/31,880,471.52
  6. Step 6: Final answer
    x = 25,018,488.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.