Home / 7,173,380.72-10,714,353.71-6,489,215.03

Finding the Fourth Proportional to 7,173,380.72, 10,714,353.71 and 6,489,215.03

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Solution

The fourth proportional to 7,173,380.72, 10,714,353.71 and 6,489,215.03 is: 9,692,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,380.72 : 10,714,353.71 = 6,489,215.03 : x
  2. Step 2: Convert to fraction form
    7,173,380.72/10,714,353.71 = 6,489,215.03/x
  3. Step 3: Cross multiply
    7,173,380.72x = 10,714,353.71 × 6,489,215.03
  4. Step 4: Simplify right side
    7,173,380.72x = 69,527,745,126,008.07
  5. Step 5: Solve for x
    x = 69,527,745,126,008.07/7,173,380.72
  6. Step 6: Final answer
    x = 9,692,465.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.