Home / 7,744,157.86-10,689,190.50-5,165,832.28

Finding the Fourth Proportional to 7,744,157.86, 10,689,190.50 and 5,165,832.28

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Solution

The fourth proportional to 7,744,157.86, 10,689,190.50 and 5,165,832.28 is: 7,130,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744,157.86 : 10,689,190.50 = 5,165,832.28 : x
  2. Step 2: Convert to fraction form
    7,744,157.86/10,689,190.50 = 5,165,832.28/x
  3. Step 3: Cross multiply
    7,744,157.86x = 10,689,190.50 × 5,165,832.28
  4. Step 4: Simplify right side
    7,744,157.86x = 55,218,565,331,969.34
  5. Step 5: Solve for x
    x = 55,218,565,331,969.34/7,744,157.86
  6. Step 6: Final answer
    x = 7,130,351.21

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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.