Home / 7,173,381.72-10,714,355.20-6,489,216.03

Finding the Fourth Proportional to 7,173,381.72, 10,714,355.20 and 6,489,216.03

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Solution

The fourth proportional to 7,173,381.72, 10,714,355.20 and 6,489,216.03 is: 9,692,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,381.72 : 10,714,355.20 = 6,489,216.03 : x
  2. Step 2: Convert to fraction form
    7,173,381.72/10,714,355.20 = 6,489,216.03/x
  3. Step 3: Cross multiply
    7,173,381.72x = 10,714,355.20 × 6,489,216.03
  4. Step 4: Simplify right side
    7,173,381.72x = 69,527,765,514,953.85
  5. Step 5: Solve for x
    x = 69,527,765,514,953.85/7,173,381.72
  6. Step 6: Final answer
    x = 9,692,466.99

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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.