Home / 40,178,868.98-55,458,639.32-26,242,354.62

Finding the Fourth Proportional to 40,178,868.98, 55,458,639.32 and 26,242,354.62

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Solution

The fourth proportional to 40,178,868.98, 55,458,639.32 and 26,242,354.62 is: 36,222,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178,868.98 : 55,458,639.32 = 26,242,354.62 : x
  2. Step 2: Convert to fraction form
    40,178,868.98/55,458,639.32 = 26,242,354.62/x
  3. Step 3: Cross multiply
    40,178,868.98x = 55,458,639.32 × 26,242,354.62
  4. Step 4: Simplify right side
    40,178,868.98x = 1,455,365,279,646,904
  5. Step 5: Solve for x
    x = 1,455,365,279,646,904/40,178,868.98
  6. Step 6: Final answer
    x = 36,222,156.49

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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.