Home / 21,424,552.96-29,570,174.40-12,727,557.04

Finding the Fourth Proportional to 21,424,552.96, 29,570,174.40 and 12,727,557.04

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Solution

The fourth proportional to 21,424,552.96, 29,570,174.40 and 12,727,557.04 is: 17,566,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,424,552.96 : 29,570,174.40 = 12,727,557.04 : x
  2. Step 2: Convert to fraction form
    21,424,552.96/29,570,174.40 = 12,727,557.04/x
  3. Step 3: Cross multiply
    21,424,552.96x = 29,570,174.40 × 12,727,557.04
  4. Step 4: Simplify right side
    21,424,552.96x = 376,356,081,358,747.75
  5. Step 5: Solve for x
    x = 376,356,081,358,747.75/21,424,552.96
  6. Step 6: Final answer
    x = 17,566,578.03

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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.