Home / 10,478,174.43-15,717,262.37-2,905,140.39

Finding the Fourth Proportional to 10,478,174.43, 15,717,262.37 and 2,905,140.39

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Solution

The fourth proportional to 10,478,174.43, 15,717,262.37 and 2,905,140.39 is: 4,357,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,174.43 : 15,717,262.37 = 2,905,140.39 : x
  2. Step 2: Convert to fraction form
    10,478,174.43/15,717,262.37 = 2,905,140.39/x
  3. Step 3: Cross multiply
    10,478,174.43x = 15,717,262.37 × 2,905,140.39
  4. Step 4: Simplify right side
    10,478,174.43x = 45,660,853,716,788.42
  5. Step 5: Solve for x
    x = 45,660,853,716,788.42/10,478,174.43
  6. Step 6: Final answer
    x = 4,357,710.78

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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.