Home / 31,118,804.91-42,904,028.84-25,516,410.75

Finding the Fourth Proportional to 31,118,804.91, 42,904,028.84 and 25,516,410.75

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Solution

The fourth proportional to 31,118,804.91, 42,904,028.84 and 25,516,410.75 is: 35,179,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118,804.91 : 42,904,028.84 = 25,516,410.75 : x
  2. Step 2: Convert to fraction form
    31,118,804.91/42,904,028.84 = 25,516,410.75/x
  3. Step 3: Cross multiply
    31,118,804.91x = 42,904,028.84 × 25,516,410.75
  4. Step 4: Simplify right side
    31,118,804.91x = 1,094,756,822,583,704
  5. Step 5: Solve for x
    x = 1,094,756,822,583,704/31,118,804.91
  6. Step 6: Final answer
    x = 35,179,912.14

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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.