Home / 13,263,475.92-19,889,756.30-5,069,144.75

Finding the Fourth Proportional to 13,263,475.92, 19,889,756.30 and 5,069,144.75

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Solution

The fourth proportional to 13,263,475.92, 19,889,756.30 and 5,069,144.75 is: 7,601,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,475.92 : 19,889,756.30 = 5,069,144.75 : x
  2. Step 2: Convert to fraction form
    13,263,475.92/19,889,756.30 = 5,069,144.75/x
  3. Step 3: Cross multiply
    13,263,475.92x = 19,889,756.30 × 5,069,144.75
  4. Step 4: Simplify right side
    13,263,475.92x = 100,824,053,602,129.94
  5. Step 5: Solve for x
    x = 100,824,053,602,129.94/13,263,475.92
  6. Step 6: Final answer
    x = 7,601,631.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.