Home / 13,739,265.72-20,707,654.67-11,843,063.82

Finding the Fourth Proportional to 13,739,265.72, 20,707,654.67 and 11,843,063.82

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Solution

The fourth proportional to 13,739,265.72, 20,707,654.67 and 11,843,063.82 is: 17,849,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,265.72 : 20,707,654.67 = 11,843,063.82 : x
  2. Step 2: Convert to fraction form
    13,739,265.72/20,707,654.67 = 11,843,063.82/x
  3. Step 3: Cross multiply
    13,739,265.72x = 20,707,654.67 × 11,843,063.82
  4. Step 4: Simplify right side
    13,739,265.72x = 245,242,075,819,331.06
  5. Step 5: Solve for x
    x = 245,242,075,819,331.06/13,739,265.72
  6. Step 6: Final answer
    x = 17,849,722.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.