Home / 10,143,530.70-13,999,507.83-6,277,297.38

Finding the Fourth Proportional to 10,143,530.70, 13,999,507.83 and 6,277,297.38

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Solution

The fourth proportional to 10,143,530.70, 13,999,507.83 and 6,277,297.38 is: 8,663,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,530.70 : 13,999,507.83 = 6,277,297.38 : x
  2. Step 2: Convert to fraction form
    10,143,530.70/13,999,507.83 = 6,277,297.38/x
  3. Step 3: Cross multiply
    10,143,530.70x = 13,999,507.83 × 6,277,297.38
  4. Step 4: Simplify right side
    10,143,530.70x = 87,879,073,822,548.48
  5. Step 5: Solve for x
    x = 87,879,073,822,548.48/10,143,530.70
  6. Step 6: Final answer
    x = 8,663,558.72

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1.5x scale

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.