Home / 13,785,748.65-20,679,400.58-4,201,439.85

Finding the Fourth Proportional to 13,785,748.65, 20,679,400.58 and 4,201,439.85

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Solution

The fourth proportional to 13,785,748.65, 20,679,400.58 and 4,201,439.85 is: 6,302,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,748.65 : 20,679,400.58 = 4,201,439.85 : x
  2. Step 2: Convert to fraction form
    13,785,748.65/20,679,400.58 = 4,201,439.85/x
  3. Step 3: Cross multiply
    13,785,748.65x = 20,679,400.58 × 4,201,439.85
  4. Step 4: Simplify right side
    13,785,748.65x = 86,883,257,649,917.91
  5. Step 5: Solve for x
    x = 86,883,257,649,917.91/13,785,748.65
  6. Step 6: Final answer
    x = 6,302,396.76

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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.