Home / 10,709,735.10-16,040,983.05-5,655,140.70

Finding the Fourth Proportional to 10,709,735.10, 16,040,983.05 and 5,655,140.70

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Solution

The fourth proportional to 10,709,735.10, 16,040,983.05 and 5,655,140.70 is: 8,470,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709,735.10 : 16,040,983.05 = 5,655,140.70 : x
  2. Step 2: Convert to fraction form
    10,709,735.10/16,040,983.05 = 5,655,140.70/x
  3. Step 3: Cross multiply
    10,709,735.10x = 16,040,983.05 × 5,655,140.70
  4. Step 4: Simplify right side
    10,709,735.10x = 90,714,016,114,065.14
  5. Step 5: Solve for x
    x = 90,714,016,114,065.14/10,709,735.10
  6. Step 6: Final answer
    x = 8,470,239.02

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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.