Home / 30,587,635.80-45,881,453.70-18,494,400.60

Finding the Fourth Proportional to 30,587,635.80, 45,881,453.70 and 18,494,400.60

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Solution

The fourth proportional to 30,587,635.80, 45,881,453.70 and 18,494,400.60 is: 27,741,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587,635.80 : 45,881,453.70 = 18,494,400.60 : x
  2. Step 2: Convert to fraction form
    30,587,635.80/45,881,453.70 = 18,494,400.60/x
  3. Step 3: Cross multiply
    30,587,635.80x = 45,881,453.70 × 18,494,400.60
  4. Step 4: Simplify right side
    30,587,635.80x = 848,549,984,838,152.38
  5. Step 5: Solve for x
    x = 848,549,984,838,152.38/30,587,635.80
  6. Step 6: Final answer
    x = 27,741,600.90

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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.