Home / 31,109,893.90-42,931,421.58-17,171,246.14

Finding the Fourth Proportional to 31,109,893.90, 42,931,421.58 and 17,171,246.14

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Solution

The fourth proportional to 31,109,893.90, 42,931,421.58 and 17,171,246.14 is: 23,696,191.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109,893.90 : 42,931,421.58 = 17,171,246.14 : x
  2. Step 2: Convert to fraction form
    31,109,893.90/42,931,421.58 = 17,171,246.14/x
  3. Step 3: Cross multiply
    31,109,893.90x = 42,931,421.58 × 17,171,246.14
  4. Step 4: Simplify right side
    31,109,893.90x = 737,186,007,090,287.75
  5. Step 5: Solve for x
    x = 737,186,007,090,287.75/31,109,893.90
  6. Step 6: Final answer
    x = 23,696,191.62

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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.