Home / 10,709,738.10-16,040,987.55-5,655,143.70

Finding the Fourth Proportional to 10,709,738.10, 16,040,987.55 and 5,655,143.70

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Solution

The fourth proportional to 10,709,738.10, 16,040,987.55 and 5,655,143.70 is: 8,470,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709,738.10 : 16,040,987.55 = 5,655,143.70 : x
  2. Step 2: Convert to fraction form
    10,709,738.10/16,040,987.55 = 5,655,143.70/x
  3. Step 3: Cross multiply
    10,709,738.10x = 16,040,987.55 × 5,655,143.70
  4. Step 4: Simplify right side
    10,709,738.10x = 90,714,089,685,160.94
  5. Step 5: Solve for x
    x = 90,714,089,685,160.94/10,709,738.10
  6. Step 6: Final answer
    x = 8,470,243.51

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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.