Home / 30,154,384.72-45,250,707.58-12,882,715.54

Finding the Fourth Proportional to 30,154,384.72, 45,250,707.58 and 12,882,715.54

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Solution

The fourth proportional to 30,154,384.72, 45,250,707.58 and 12,882,715.54 is: 19,332,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154,384.72 : 45,250,707.58 = 12,882,715.54 : x
  2. Step 2: Convert to fraction form
    30,154,384.72/45,250,707.58 = 12,882,715.54/x
  3. Step 3: Cross multiply
    30,154,384.72x = 45,250,707.58 × 12,882,715.54
  4. Step 4: Simplify right side
    30,154,384.72x = 582,951,993,736,861.75
  5. Step 5: Solve for x
    x = 582,951,993,736,861.75/30,154,384.72
  6. Step 6: Final answer
    x = 19,332,246.34

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1.5x scale

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.