Home / 13,277,240.92-18,323,157.90-7,396,871.77

Finding the Fourth Proportional to 13,277,240.92, 18,323,157.90 and 7,396,871.77

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Solution

The fourth proportional to 13,277,240.92, 18,323,157.90 and 7,396,871.77 is: 10,207,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277,240.92 : 18,323,157.90 = 7,396,871.77 : x
  2. Step 2: Convert to fraction form
    13,277,240.92/18,323,157.90 = 7,396,871.77/x
  3. Step 3: Cross multiply
    13,277,240.92x = 18,323,157.90 × 7,396,871.77
  4. Step 4: Simplify right side
    13,277,240.92x = 135,534,049,407,762.47
  5. Step 5: Solve for x
    x = 135,534,049,407,762.47/13,277,240.92
  6. Step 6: Final answer
    x = 10,207,998.05

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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.