Home / 21,013,709.40-31,544,183.70-16,242,550.20

Finding the Fourth Proportional to 21,013,709.40, 31,544,183.70 and 16,242,550.20

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Solution

The fourth proportional to 21,013,709.40, 31,544,183.70 and 16,242,550.20 is: 24,382,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013,709.40 : 31,544,183.70 = 16,242,550.20 : x
  2. Step 2: Convert to fraction form
    21,013,709.40/31,544,183.70 = 16,242,550.20/x
  3. Step 3: Cross multiply
    21,013,709.40x = 31,544,183.70 × 16,242,550.20
  4. Step 4: Simplify right side
    21,013,709.40x = 512,357,987,265,271.69
  5. Step 5: Solve for x
    x = 512,357,987,265,271.69/21,013,709.40
  6. Step 6: Final answer
    x = 24,382,082.07

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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.