Home / 13,654,756.56-18,844,136.52-7,853,539.92

Finding the Fourth Proportional to 13,654,756.56, 18,844,136.52 and 7,853,539.92

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Solution

The fourth proportional to 13,654,756.56, 18,844,136.52 and 7,853,539.92 is: 10,838,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654,756.56 : 18,844,136.52 = 7,853,539.92 : x
  2. Step 2: Convert to fraction form
    13,654,756.56/18,844,136.52 = 7,853,539.92/x
  3. Step 3: Cross multiply
    13,654,756.56x = 18,844,136.52 × 7,853,539.92
  4. Step 4: Simplify right side
    13,654,756.56x = 147,993,178,417,749.88
  5. Step 5: Solve for x
    x = 147,993,178,417,749.88/13,654,756.56
  6. Step 6: Final answer
    x = 10,838,214.34

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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.