Home / 12,558,647.17-18,834,608.24-3,458,582.09

Finding the Fourth Proportional to 12,558,647.17, 18,834,608.24 and 3,458,582.09

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Solution

The fourth proportional to 12,558,647.17, 18,834,608.24 and 3,458,582.09 is: 5,186,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,647.17 : 18,834,608.24 = 3,458,582.09 : x
  2. Step 2: Convert to fraction form
    12,558,647.17/18,834,608.24 = 3,458,582.09/x
  3. Step 3: Cross multiply
    12,558,647.17x = 18,834,608.24 × 3,458,582.09
  4. Step 4: Simplify right side
    12,558,647.17x = 65,141,038,619,564.47
  5. Step 5: Solve for x
    x = 65,141,038,619,564.47/12,558,647.17
  6. Step 6: Final answer
    x = 5,186,947.11

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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.