Home / 10,391,633.64-14,340,003.36-5,681,942.76

Finding the Fourth Proportional to 10,391,633.64, 14,340,003.36 and 5,681,942.76

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Solution

The fourth proportional to 10,391,633.64, 14,340,003.36 and 5,681,942.76 is: 7,840,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391,633.64 : 14,340,003.36 = 5,681,942.76 : x
  2. Step 2: Convert to fraction form
    10,391,633.64/14,340,003.36 = 5,681,942.76/x
  3. Step 3: Cross multiply
    10,391,633.64x = 14,340,003.36 × 5,681,942.76
  4. Step 4: Simplify right side
    10,391,633.64x = 81,479,078,269,727.67
  5. Step 5: Solve for x
    x = 81,479,078,269,727.67/10,391,633.64
  6. Step 6: Final answer
    x = 7,840,834.38

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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.