Home / 28,416,331.20-42,624,496.80-14,811,441.60

Finding the Fourth Proportional to 28,416,331.20, 42,624,496.80 and 14,811,441.60

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Solution

The fourth proportional to 28,416,331.20, 42,624,496.80 and 14,811,441.60 is: 22,217,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,331.20 : 42,624,496.80 = 14,811,441.60 : x
  2. Step 2: Convert to fraction form
    28,416,331.20/42,624,496.80 = 14,811,441.60/x
  3. Step 3: Cross multiply
    28,416,331.20x = 42,624,496.80 × 14,811,441.60
  4. Step 4: Simplify right side
    28,416,331.20x = 631,330,245,082,586.88
  5. Step 5: Solve for x
    x = 631,330,245,082,586.88/28,416,331.20
  6. Step 6: Final answer
    x = 22,217,162.40

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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.