Home / 19,029,865.86-26,261,403.93-10,328,115.78

Finding the Fourth Proportional to 19,029,865.86, 26,261,403.93 and 10,328,115.78

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Solution

The fourth proportional to 19,029,865.86, 26,261,403.93 and 10,328,115.78 is: 14,252,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029,865.86 : 26,261,403.93 = 10,328,115.78 : x
  2. Step 2: Convert to fraction form
    19,029,865.86/26,261,403.93 = 10,328,115.78/x
  3. Step 3: Cross multiply
    19,029,865.86x = 26,261,403.93 × 10,328,115.78
  4. Step 4: Simplify right side
    19,029,865.86x = 271,230,820,334,387
  5. Step 5: Solve for x
    x = 271,230,820,334,387/19,029,865.86
  6. Step 6: Final answer
    x = 14,252,902.38

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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.