Home / 7,811,905.88-10,780,874.52-4,374,116.84

Finding the Fourth Proportional to 7,811,905.88, 10,780,874.52 and 4,374,116.84

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Solution

The fourth proportional to 7,811,905.88, 10,780,874.52 and 4,374,116.84 is: 6,036,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811,905.88 : 10,780,874.52 = 4,374,116.84 : x
  2. Step 2: Convert to fraction form
    7,811,905.88/10,780,874.52 = 4,374,116.84/x
  3. Step 3: Cross multiply
    7,811,905.88x = 10,780,874.52 × 4,374,116.84
  4. Step 4: Simplify right side
    7,811,905.88x = 47,156,804,798,408.16
  5. Step 5: Solve for x
    x = 47,156,804,798,408.16/7,811,905.88
  6. Step 6: Final answer
    x = 6,036,530.07

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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.