Home / 10,921,534.40-16,380,989.40-4,531,120.40

Finding the Fourth Proportional to 10,921,534.40, 16,380,989.40 and 4,531,120.40

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Solution

The fourth proportional to 10,921,534.40, 16,380,989.40 and 4,531,120.40 is: 6,796,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,534.40 : 16,380,989.40 = 4,531,120.40 : x
  2. Step 2: Convert to fraction form
    10,921,534.40/16,380,989.40 = 4,531,120.40/x
  3. Step 3: Cross multiply
    10,921,534.40x = 16,380,989.40 × 4,531,120.40
  4. Step 4: Simplify right side
    10,921,534.40x = 74,224,235,242,523.77
  5. Step 5: Solve for x
    x = 74,224,235,242,523.77/10,921,534.40
  6. Step 6: Final answer
    x = 6,796,136.20

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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.