Home / 30,421,613.28-45,600,533.40-11,240,136.12

Finding the Fourth Proportional to 30,421,613.28, 45,600,533.40 and 11,240,136.12

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Solution

The fourth proportional to 30,421,613.28, 45,600,533.40 and 11,240,136.12 is: 16,848,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,421,613.28 : 45,600,533.40 = 11,240,136.12 : x
  2. Step 2: Convert to fraction form
    30,421,613.28/45,600,533.40 = 11,240,136.12/x
  3. Step 3: Cross multiply
    30,421,613.28x = 45,600,533.40 × 11,240,136.12
  4. Step 4: Simplify right side
    30,421,613.28x = 512,556,202,560,606.38
  5. Step 5: Solve for x
    x = 512,556,202,560,606.38/30,421,613.28
  6. Step 6: Final answer
    x = 16,848,422.79

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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.