Home / 8,688,353.22-11,989,134.83-5,155,540.99

Finding the Fourth Proportional to 8,688,353.22, 11,989,134.83 and 5,155,540.99

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Solution

The fourth proportional to 8,688,353.22, 11,989,134.83 and 5,155,540.99 is: 7,114,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,353.22 : 11,989,134.83 = 5,155,540.99 : x
  2. Step 2: Convert to fraction form
    8,688,353.22/11,989,134.83 = 5,155,540.99/x
  3. Step 3: Cross multiply
    8,688,353.22x = 11,989,134.83 × 5,155,540.99
  4. Step 4: Simplify right side
    8,688,353.22x = 61,810,476,054,187.25
  5. Step 5: Solve for x
    x = 61,810,476,054,187.25/8,688,353.22
  6. Step 6: Final answer
    x = 7,114,176.24

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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.