Home / 10,279,053.14-15,412,601.78-3,889,798.10

Finding the Fourth Proportional to 10,279,053.14, 15,412,601.78 and 3,889,798.10

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Solution

The fourth proportional to 10,279,053.14, 15,412,601.78 and 3,889,798.10 is: 5,832,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,053.14 : 15,412,601.78 = 3,889,798.10 : x
  2. Step 2: Convert to fraction form
    10,279,053.14/15,412,601.78 = 3,889,798.10/x
  3. Step 3: Cross multiply
    10,279,053.14x = 15,412,601.78 × 3,889,798.10
  4. Step 4: Simplify right side
    10,279,053.14x = 59,951,909,119,900.62
  5. Step 5: Solve for x
    x = 59,951,909,119,900.62/10,279,053.14
  6. Step 6: Final answer
    x = 5,832,434.98

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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.