Home / 23,022,973.89-31,771,805.45-12,709,781.73

Finding the Fourth Proportional to 23,022,973.89, 31,771,805.45 and 12,709,781.73

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Solution

The fourth proportional to 23,022,973.89, 31,771,805.45 and 12,709,781.73 is: 17,539,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,022,973.89 : 31,771,805.45 = 12,709,781.73 : x
  2. Step 2: Convert to fraction form
    23,022,973.89/31,771,805.45 = 12,709,781.73/x
  3. Step 3: Cross multiply
    23,022,973.89x = 31,771,805.45 × 12,709,781.73
  4. Step 4: Simplify right side
    23,022,973.89x = 403,812,712,373,975.56
  5. Step 5: Solve for x
    x = 403,812,712,373,975.56/23,022,973.89
  6. Step 6: Final answer
    x = 17,539,554.81

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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.