Home / 8,583,408.30-12,875,112.45-7,637,846.70

Finding the Fourth Proportional to 8,583,408.30, 12,875,112.45 and 7,637,846.70

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Solution

The fourth proportional to 8,583,408.30, 12,875,112.45 and 7,637,846.70 is: 11,456,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583,408.30 : 12,875,112.45 = 7,637,846.70 : x
  2. Step 2: Convert to fraction form
    8,583,408.30/12,875,112.45 = 7,637,846.70/x
  3. Step 3: Cross multiply
    8,583,408.30x = 12,875,112.45 × 7,637,846.70
  4. Step 4: Simplify right side
    8,583,408.30x = 98,338,135,138,361.41
  5. Step 5: Solve for x
    x = 98,338,135,138,361.41/8,583,408.30
  6. Step 6: Final answer
    x = 11,456,770.05

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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.