Home / 31,141,394.94-42,975,485.70-17,202,461.28

Finding the Fourth Proportional to 31,141,394.94, 42,975,485.70 and 17,202,461.28

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Solution

The fourth proportional to 31,141,394.94, 42,975,485.70 and 17,202,461.28 is: 23,739,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,141,394.94 : 42,975,485.70 = 17,202,461.28 : x
  2. Step 2: Convert to fraction form
    31,141,394.94/42,975,485.70 = 17,202,461.28/x
  3. Step 3: Cross multiply
    31,141,394.94x = 42,975,485.70 × 17,202,461.28
  4. Step 4: Simplify right side
    31,141,394.94x = 739,284,128,743,443.75
  5. Step 5: Solve for x
    x = 739,284,128,743,443.75/31,141,394.94
  6. Step 6: Final answer
    x = 23,739,595.81

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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.