Home / 8,791,709.80-13,171,818.30-7,531,997.80

Finding the Fourth Proportional to 8,791,709.80, 13,171,818.30 and 7,531,997.80

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Solution

The fourth proportional to 8,791,709.80, 13,171,818.30 and 7,531,997.80 is: 11,284,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,709.80 : 13,171,818.30 = 7,531,997.80 : x
  2. Step 2: Convert to fraction form
    8,791,709.80/13,171,818.30 = 7,531,997.80/x
  3. Step 3: Cross multiply
    8,791,709.80x = 13,171,818.30 × 7,531,997.80
  4. Step 4: Simplify right side
    8,791,709.80x = 99,210,106,457,599.75
  5. Step 5: Solve for x
    x = 99,210,106,457,599.75/8,791,709.80
  6. Step 6: Final answer
    x = 11,284,506.51

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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.