Home / 31,007,577.78-42,790,039.65-17,256,538.26

Finding the Fourth Proportional to 31,007,577.78, 42,790,039.65 and 17,256,538.26

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Solution

The fourth proportional to 31,007,577.78, 42,790,039.65 and 17,256,538.26 is: 23,813,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007,577.78 : 42,790,039.65 = 17,256,538.26 : x
  2. Step 2: Convert to fraction form
    31,007,577.78/42,790,039.65 = 17,256,538.26/x
  3. Step 3: Cross multiply
    31,007,577.78x = 42,790,039.65 × 17,256,538.26
  4. Step 4: Simplify right side
    31,007,577.78x = 738,407,956,367,142
  5. Step 5: Solve for x
    x = 738,407,956,367,142/31,007,577.78
  6. Step 6: Final answer
    x = 23,813,790.35

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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.