Home / 36,698,787.70-55,046,431.95-12,435,334.90

Finding the Fourth Proportional to 36,698,787.70, 55,046,431.95 and 12,435,334.90

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Solution

The fourth proportional to 36,698,787.70, 55,046,431.95 and 12,435,334.90 is: 18,652,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698,787.70 : 55,046,431.95 = 12,435,334.90 : x
  2. Step 2: Convert to fraction form
    36,698,787.70/55,046,431.95 = 12,435,334.90/x
  3. Step 3: Cross multiply
    36,698,787.70x = 55,046,431.95 × 12,435,334.90
  4. Step 4: Simplify right side
    36,698,787.70x = 684,520,816,348,310.12
  5. Step 5: Solve for x
    x = 684,520,816,348,310.12/36,698,787.70
  6. Step 6: Final answer
    x = 18,652,409.50

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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.