Home / 12,744,985.86-19,117,497.56-9,729,473.58

Finding the Fourth Proportional to 12,744,985.86, 19,117,497.56 and 9,729,473.58

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Solution

The fourth proportional to 12,744,985.86, 19,117,497.56 and 9,729,473.58 is: 14,594,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,985.86 : 19,117,497.56 = 9,729,473.58 : x
  2. Step 2: Convert to fraction form
    12,744,985.86/19,117,497.56 = 9,729,473.58/x
  3. Step 3: Cross multiply
    12,744,985.86x = 19,117,497.56 × 9,729,473.58
  4. Step 4: Simplify right side
    12,744,985.86x = 186,003,187,377,087.09
  5. Step 5: Solve for x
    x = 186,003,187,377,087.09/12,744,985.86
  6. Step 6: Final answer
    x = 14,594,224.70

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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.