Home / 8,318,522.50-12,477,783.75-2,999,738.50

Finding the Fourth Proportional to 8,318,522.50, 12,477,783.75 and 2,999,738.50

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Solution

The fourth proportional to 8,318,522.50, 12,477,783.75 and 2,999,738.50 is: 4,499,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,522.50 : 12,477,783.75 = 2,999,738.50 : x
  2. Step 2: Convert to fraction form
    8,318,522.50/12,477,783.75 = 2,999,738.50/x
  3. Step 3: Cross multiply
    8,318,522.50x = 12,477,783.75 × 2,999,738.50
  4. Step 4: Simplify right side
    8,318,522.50x = 37,430,088,309,549.38
  5. Step 5: Solve for x
    x = 37,430,088,309,549.38/8,318,522.50
  6. Step 6: Final answer
    x = 4,499,607.75

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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.