Home / 13,471,608.62-18,590,827.36-7,276,655.30

Finding the Fourth Proportional to 13,471,608.62, 18,590,827.36 and 7,276,655.30

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Solution

The fourth proportional to 13,471,608.62, 18,590,827.36 and 7,276,655.30 is: 10,041,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,608.62 : 18,590,827.36 = 7,276,655.30 : x
  2. Step 2: Convert to fraction form
    13,471,608.62/18,590,827.36 = 7,276,655.30/x
  3. Step 3: Cross multiply
    13,471,608.62x = 18,590,827.36 × 7,276,655.30
  4. Step 4: Simplify right side
    13,471,608.62x = 135,279,042,468,814.45
  5. Step 5: Solve for x
    x = 135,279,042,468,814.45/13,471,608.62
  6. Step 6: Final answer
    x = 10,041,788.35

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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.