Home / 31,702,840.49-47,485,934.26-21,411,107.12

Finding the Fourth Proportional to 31,702,840.49, 47,485,934.26 and 21,411,107.12

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Solution

The fourth proportional to 31,702,840.49, 47,485,934.26 and 21,411,107.12 is: 32,070,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702,840.49 : 47,485,934.26 = 21,411,107.12 : x
  2. Step 2: Convert to fraction form
    31,702,840.49/47,485,934.26 = 21,411,107.12/x
  3. Step 3: Cross multiply
    31,702,840.49x = 47,485,934.26 × 21,411,107.12
  4. Step 4: Simplify right side
    31,702,840.49x = 1,016,726,425,199,325
  5. Step 5: Solve for x
    x = 1,016,726,425,199,325/31,702,840.49
  6. Step 6: Final answer
    x = 32,070,515.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.