Home / 11,376,429.20-17,064,643.80-8,353,120.40

Finding the Fourth Proportional to 11,376,429.20, 17,064,643.80 and 8,353,120.40

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Solution

The fourth proportional to 11,376,429.20, 17,064,643.80 and 8,353,120.40 is: 12,529,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376,429.20 : 17,064,643.80 = 8,353,120.40 : x
  2. Step 2: Convert to fraction form
    11,376,429.20/17,064,643.80 = 8,353,120.40/x
  3. Step 3: Cross multiply
    11,376,429.20x = 17,064,643.80 × 8,353,120.40
  4. Step 4: Simplify right side
    11,376,429.20x = 142,543,024,244,513.53
  5. Step 5: Solve for x
    x = 142,543,024,244,513.53/11,376,429.20
  6. Step 6: Final answer
    x = 12,529,680.60

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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.