Home / 30,507,136.80-45,761,077.65-8,942,174.53

Finding the Fourth Proportional to 30,507,136.80, 45,761,077.65 and 8,942,174.53

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Solution

The fourth proportional to 30,507,136.80, 45,761,077.65 and 8,942,174.53 is: 13,413,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,507,136.80 : 45,761,077.65 = 8,942,174.53 : x
  2. Step 2: Convert to fraction form
    30,507,136.80/45,761,077.65 = 8,942,174.53/x
  3. Step 3: Cross multiply
    30,507,136.80x = 45,761,077.65 × 8,942,174.53
  4. Step 4: Simplify right side
    30,507,136.80x = 409,203,543,027,182.19
  5. Step 5: Solve for x
    x = 409,203,543,027,182.19/30,507,136.80
  6. Step 6: Final answer
    x = 13,413,370.97

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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.