Home / 21,388,124.40-32,082,186.60-7,007,724.60

Finding the Fourth Proportional to 21,388,124.40, 32,082,186.60 and 7,007,724.60

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Solution

The fourth proportional to 21,388,124.40, 32,082,186.60 and 7,007,724.60 is: 10,511,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,124.40 : 32,082,186.60 = 7,007,724.60 : x
  2. Step 2: Convert to fraction form
    21,388,124.40/32,082,186.60 = 7,007,724.60/x
  3. Step 3: Cross multiply
    21,388,124.40x = 32,082,186.60 × 7,007,724.60
  4. Step 4: Simplify right side
    21,388,124.40x = 224,823,128,258,610.34
  5. Step 5: Solve for x
    x = 224,823,128,258,610.34/21,388,124.40
  6. Step 6: Final answer
    x = 10,511,586.90

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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.