Home / 13,739,266.72-20,707,656.18-11,843,064.82

Finding the Fourth Proportional to 13,739,266.72, 20,707,656.18 and 11,843,064.82

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Solution

The fourth proportional to 13,739,266.72, 20,707,656.18 and 11,843,064.82 is: 17,849,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,266.72 : 20,707,656.18 = 11,843,064.82 : x
  2. Step 2: Convert to fraction form
    13,739,266.72/20,707,656.18 = 11,843,064.82/x
  3. Step 3: Cross multiply
    13,739,266.72x = 20,707,656.18 × 11,843,064.82
  4. Step 4: Simplify right side
    13,739,266.72x = 245,242,114,410,013.59
  5. Step 5: Solve for x
    x = 245,242,114,410,013.59/13,739,266.72
  6. Step 6: Final answer
    x = 17,849,723.67

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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.