Home / 13,906,962.93-19,191,578.01-7,711,856.54

Finding the Fourth Proportional to 13,906,962.93, 19,191,578.01 and 7,711,856.54

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Solution

The fourth proportional to 13,906,962.93, 19,191,578.01 and 7,711,856.54 is: 10,642,344.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,962.93 : 19,191,578.01 = 7,711,856.54 : x
  2. Step 2: Convert to fraction form
    13,906,962.93/19,191,578.01 = 7,711,856.54/x
  3. Step 3: Cross multiply
    13,906,962.93x = 19,191,578.01 × 7,711,856.54
  4. Step 4: Simplify right side
    13,906,962.93x = 148,002,696,379,808.94
  5. Step 5: Solve for x
    x = 148,002,696,379,808.94/13,906,962.93
  6. Step 6: Final answer
    x = 10,642,344.92

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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.