Home / 13,921,759.86-19,215,560.22-9,513,269.94

Finding the Fourth Proportional to 13,921,759.86, 19,215,560.22 and 9,513,269.94

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Solution

The fourth proportional to 13,921,759.86, 19,215,560.22 and 9,513,269.94 is: 13,130,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921,759.86 : 19,215,560.22 = 9,513,269.94 : x
  2. Step 2: Convert to fraction form
    13,921,759.86/19,215,560.22 = 9,513,269.94/x
  3. Step 3: Cross multiply
    13,921,759.86x = 19,215,560.22 × 9,513,269.94
  4. Step 4: Simplify right side
    13,921,759.86x = 182,802,811,421,185.75
  5. Step 5: Solve for x
    x = 182,802,811,421,185.75/13,921,759.86
  6. Step 6: Final answer
    x = 13,130,725.80

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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.