Home / 10,269,868.36-14,172,861.18-5,686,189.72

Finding the Fourth Proportional to 10,269,868.36, 14,172,861.18 and 5,686,189.72

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Solution

The fourth proportional to 10,269,868.36, 14,172,861.18 and 5,686,189.72 is: 7,847,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269,868.36 : 14,172,861.18 = 5,686,189.72 : x
  2. Step 2: Convert to fraction form
    10,269,868.36/14,172,861.18 = 5,686,189.72/x
  3. Step 3: Cross multiply
    10,269,868.36x = 14,172,861.18 × 5,686,189.72
  4. Step 4: Simplify right side
    10,269,868.36x = 80,589,577,544,703.06
  5. Step 5: Solve for x
    x = 80,589,577,544,703.06/10,269,868.36
  6. Step 6: Final answer
    x = 7,847,187.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.