Home / 31,115,515.11-42,938,285.47-17,176,570.93

Finding the Fourth Proportional to 31,115,515.11, 42,938,285.47 and 17,176,570.93

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Solution

The fourth proportional to 31,115,515.11, 42,938,285.47 and 17,176,570.93 is: 23,703,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115,515.11 : 42,938,285.47 = 17,176,570.93 : x
  2. Step 2: Convert to fraction form
    31,115,515.11/42,938,285.47 = 17,176,570.93/x
  3. Step 3: Cross multiply
    31,115,515.11x = 42,938,285.47 × 17,176,570.93
  4. Step 4: Simplify right side
    31,115,515.11x = 737,532,505,988,043.38
  5. Step 5: Solve for x
    x = 737,532,505,988,043.38/31,115,515.11
  6. Step 6: Final answer
    x = 23,703,046.64

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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.