Home / 13,864,654.87-19,126,776.20-8,971,456.51

Finding the Fourth Proportional to 13,864,654.87, 19,126,776.20 and 8,971,456.51

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Solution

The fourth proportional to 13,864,654.87, 19,126,776.20 and 8,971,456.51 is: 12,376,437.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,654.87 : 19,126,776.20 = 8,971,456.51 : x
  2. Step 2: Convert to fraction form
    13,864,654.87/19,126,776.20 = 8,971,456.51/x
  3. Step 3: Cross multiply
    13,864,654.87x = 19,126,776.20 × 8,971,456.51
  4. Step 4: Simplify right side
    13,864,654.87x = 171,595,040,854,803.06
  5. Step 5: Solve for x
    x = 171,595,040,854,803.06/13,864,654.87
  6. Step 6: Final answer
    x = 12,376,437.96

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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.