Home / 13,134,586.20-19,668,701.70-8,622,432.60

Finding the Fourth Proportional to 13,134,586.20, 19,668,701.70 and 8,622,432.60

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Solution

The fourth proportional to 13,134,586.20, 19,668,701.70 and 8,622,432.60 is: 12,911,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,586.20 : 19,668,701.70 = 8,622,432.60 : x
  2. Step 2: Convert to fraction form
    13,134,586.20/19,668,701.70 = 8,622,432.60/x
  3. Step 3: Cross multiply
    13,134,586.20x = 19,668,701.70 × 8,622,432.60
  4. Step 4: Simplify right side
    13,134,586.20x = 169,592,054,737,755.41
  5. Step 5: Solve for x
    x = 169,592,054,737,755.41/13,134,586.20
  6. Step 6: Final answer
    x = 12,911,868.87

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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.