Home / 6,407,998.40-9,611,997.60-6,124,563.20

Finding the Fourth Proportional to 6,407,998.40, 9,611,997.60 and 6,124,563.20

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Solution

The fourth proportional to 6,407,998.40, 9,611,997.60 and 6,124,563.20 is: 9,186,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407,998.40 : 9,611,997.60 = 6,124,563.20 : x
  2. Step 2: Convert to fraction form
    6,407,998.40/9,611,997.60 = 6,124,563.20/x
  3. Step 3: Cross multiply
    6,407,998.40x = 9,611,997.60 × 6,124,563.20
  4. Step 4: Simplify right side
    6,407,998.40x = 58,869,286,779,448.32
  5. Step 5: Solve for x
    x = 58,869,286,779,448.32/6,407,998.40
  6. Step 6: Final answer
    x = 9,186,844.80

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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.