Home / 30,253,668.80-45,380,503.20-27,915,328.40

Finding the Fourth Proportional to 30,253,668.80, 45,380,503.20 and 27,915,328.40

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Solution

The fourth proportional to 30,253,668.80, 45,380,503.20 and 27,915,328.40 is: 41,872,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253,668.80 : 45,380,503.20 = 27,915,328.40 : x
  2. Step 2: Convert to fraction form
    30,253,668.80/45,380,503.20 = 27,915,328.40/x
  3. Step 3: Cross multiply
    30,253,668.80x = 45,380,503.20 × 27,915,328.40
  4. Step 4: Simplify right side
    30,253,668.80x = 1,266,811,649,785,251
  5. Step 5: Solve for x
    x = 1,266,811,649,785,251/30,253,668.80
  6. Step 6: Final answer
    x = 41,872,992.60

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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.