Home / 19,848,861.47-29,750,976.15-10,106,127.20

Finding the Fourth Proportional to 19,848,861.47, 29,750,976.15 and 10,106,127.20

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Solution

The fourth proportional to 19,848,861.47, 29,750,976.15 and 10,106,127.20 is: 15,147,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848,861.47 : 29,750,976.15 = 10,106,127.20 : x
  2. Step 2: Convert to fraction form
    19,848,861.47/29,750,976.15 = 10,106,127.20/x
  3. Step 3: Cross multiply
    19,848,861.47x = 29,750,976.15 × 10,106,127.20
  4. Step 4: Simplify right side
    19,848,861.47x = 300,667,149,147,311.38
  5. Step 5: Solve for x
    x = 300,667,149,147,311.38/19,848,861.47
  6. Step 6: Final answer
    x = 15,147,828.49

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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.