Home / 12,905,558.53-19,358,251.69-5,229,090.12

Finding the Fourth Proportional to 12,905,558.53, 19,358,251.69 and 5,229,090.12

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Solution

The fourth proportional to 12,905,558.53, 19,358,251.69 and 5,229,090.12 is: 7,843,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,558.53 : 19,358,251.69 = 5,229,090.12 : x
  2. Step 2: Convert to fraction form
    12,905,558.53/19,358,251.69 = 5,229,090.12/x
  3. Step 3: Cross multiply
    12,905,558.53x = 19,358,251.69 × 5,229,090.12
  4. Step 4: Simplify right side
    12,905,558.53x = 101,226,042,529,715.59
  5. Step 5: Solve for x
    x = 101,226,042,529,715.59/12,905,558.53
  6. Step 6: Final answer
    x = 7,843,600.28

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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.