Home / 13,864,078.55-20,798,009.43-5,775,162.48

Finding the Fourth Proportional to 13,864,078.55, 20,798,009.43 and 5,775,162.48

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Solution

The fourth proportional to 13,864,078.55, 20,798,009.43 and 5,775,162.48 is: 8,663,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864,078.55 : 20,798,009.43 = 5,775,162.48 : x
  2. Step 2: Convert to fraction form
    13,864,078.55/20,798,009.43 = 5,775,162.48/x
  3. Step 3: Cross multiply
    13,864,078.55x = 20,798,009.43 × 5,775,162.48
  4. Step 4: Simplify right side
    13,864,078.55x = 120,111,883,718,822.19
  5. Step 5: Solve for x
    x = 120,111,883,718,822.19/13,864,078.55
  6. Step 6: Final answer
    x = 8,663,531.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.