Home / 8,522,401.60-12,783,602.40-2,457,121.60

Finding the Fourth Proportional to 8,522,401.60, 12,783,602.40 and 2,457,121.60

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Solution

The fourth proportional to 8,522,401.60, 12,783,602.40 and 2,457,121.60 is: 3,685,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,401.60 : 12,783,602.40 = 2,457,121.60 : x
  2. Step 2: Convert to fraction form
    8,522,401.60/12,783,602.40 = 2,457,121.60/x
  3. Step 3: Cross multiply
    8,522,401.60x = 12,783,602.40 × 2,457,121.60
  4. Step 4: Simplify right side
    8,522,401.60x = 31,410,865,582,851.84
  5. Step 5: Solve for x
    x = 31,410,865,582,851.84/8,522,401.60
  6. Step 6: Final answer
    x = 3,685,682.40

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Double scale
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Similar ratio
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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.