Home / 11,874,728.50-16,387,157.01-6,442,220.50

Finding the Fourth Proportional to 11,874,728.50, 16,387,157.01 and 6,442,220.50

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Solution

The fourth proportional to 11,874,728.50, 16,387,157.01 and 6,442,220.50 is: 8,890,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874,728.50 : 16,387,157.01 = 6,442,220.50 : x
  2. Step 2: Convert to fraction form
    11,874,728.50/16,387,157.01 = 6,442,220.50/x
  3. Step 3: Cross multiply
    11,874,728.50x = 16,387,157.01 × 6,442,220.50
  4. Step 4: Simplify right side
    11,874,728.50x = 105,569,678,826,540.70
  5. Step 5: Solve for x
    x = 105,569,678,826,540.70/11,874,728.50
  6. Step 6: Final answer
    x = 8,890,281.48

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1.5x scale

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.