Home / 14,667,079.20-21,991,870.80-8,991,376.80

Finding the Fourth Proportional to 14,667,079.20, 21,991,870.80 and 8,991,376.80

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Solution

The fourth proportional to 14,667,079.20, 21,991,870.80 and 8,991,376.80 is: 13,481,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667,079.20 : 21,991,870.80 = 8,991,376.80 : x
  2. Step 2: Convert to fraction form
    14,667,079.20/21,991,870.80 = 8,991,376.80/x
  3. Step 3: Cross multiply
    14,667,079.20x = 21,991,870.80 × 8,991,376.80
  4. Step 4: Simplify right side
    14,667,079.20x = 197,737,196,899,717.47
  5. Step 5: Solve for x
    x = 197,737,196,899,717.47/14,667,079.20
  6. Step 6: Final answer
    x = 13,481,702.40

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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.