Home / 13,910,374.81-19,198,615.92-7,717,416.77

Finding the Fourth Proportional to 13,910,374.81, 19,198,615.92 and 7,717,416.77

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Solution

The fourth proportional to 13,910,374.81, 19,198,615.92 and 7,717,416.77 is: 10,651,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910,374.81 : 19,198,615.92 = 7,717,416.77 : x
  2. Step 2: Convert to fraction form
    13,910,374.81/19,198,615.92 = 7,717,416.77/x
  3. Step 3: Cross multiply
    13,910,374.81x = 19,198,615.92 × 7,717,416.77
  4. Step 4: Simplify right side
    13,910,374.81x = 148,163,720,365,803.91
  5. Step 5: Solve for x
    x = 148,163,720,365,803.91/13,910,374.81
  6. Step 6: Final answer
    x = 10,651,310.43

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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.