Home / 8,992,507.76-12,408,910.64-5,072,047.84

Finding the Fourth Proportional to 8,992,507.76, 12,408,910.64 and 5,072,047.84

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Solution

The fourth proportional to 8,992,507.76, 12,408,910.64 and 5,072,047.84 is: 6,999,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992,507.76 : 12,408,910.64 = 5,072,047.84 : x
  2. Step 2: Convert to fraction form
    8,992,507.76/12,408,910.64 = 5,072,047.84/x
  3. Step 3: Cross multiply
    8,992,507.76x = 12,408,910.64 × 5,072,047.84
  4. Step 4: Simplify right side
    8,992,507.76x = 62,938,588,408,365.02
  5. Step 5: Solve for x
    x = 62,938,588,408,365.02/8,992,507.76
  6. Step 6: Final answer
    x = 6,999,002.96

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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.