Home / 13,590,673.46-18,755,132.02-7,479,101.96

Finding the Fourth Proportional to 13,590,673.46, 18,755,132.02 and 7,479,101.96

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Solution

The fourth proportional to 13,590,673.46, 18,755,132.02 and 7,479,101.96 is: 10,321,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,673.46 : 18,755,132.02 = 7,479,101.96 : x
  2. Step 2: Convert to fraction form
    13,590,673.46/18,755,132.02 = 7,479,101.96/x
  3. Step 3: Cross multiply
    13,590,673.46x = 18,755,132.02 × 7,479,101.96
  4. Step 4: Simplify right side
    13,590,673.46x = 140,271,544,650,840.75
  5. Step 5: Solve for x
    x = 140,271,544,650,840.75/13,590,673.46
  6. Step 6: Final answer
    x = 10,321,162.16

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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.