Home / 8,318,620.16-11,477,728.46-4,831,887.16

Finding the Fourth Proportional to 8,318,620.16, 11,477,728.46 and 4,831,887.16

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Solution

The fourth proportional to 8,318,620.16, 11,477,728.46 and 4,831,887.16 is: 6,666,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,620.16 : 11,477,728.46 = 4,831,887.16 : x
  2. Step 2: Convert to fraction form
    8,318,620.16/11,477,728.46 = 4,831,887.16/x
  3. Step 3: Cross multiply
    8,318,620.16x = 11,477,728.46 × 4,831,887.16
  4. Step 4: Simplify right side
    8,318,620.16x = 55,459,088,771,840.58
  5. Step 5: Solve for x
    x = 55,459,088,771,840.58/8,318,620.16
  6. Step 6: Final answer
    x = 6,666,861.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.