Home / 12,136,694.70-18,207,700.47-4,563,660.45

Finding the Fourth Proportional to 12,136,694.70, 18,207,700.47 and 4,563,660.45

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Solution

The fourth proportional to 12,136,694.70, 18,207,700.47 and 4,563,660.45 is: 6,846,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,694.70 : 18,207,700.47 = 4,563,660.45 : x
  2. Step 2: Convert to fraction form
    12,136,694.70/18,207,700.47 = 4,563,660.45/x
  3. Step 3: Cross multiply
    12,136,694.70x = 18,207,700.47 × 4,563,660.45
  4. Step 4: Simplify right side
    12,136,694.70x = 83,093,762,520,385.41
  5. Step 5: Solve for x
    x = 83,093,762,520,385.41/12,136,694.70
  6. Step 6: Final answer
    x = 6,846,490.30

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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.