Home / 11,821,533.70-17,718,522.45-5,432,431.90

Finding the Fourth Proportional to 11,821,533.70, 17,718,522.45 and 5,432,431.90

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Solution

The fourth proportional to 11,821,533.70, 17,718,522.45 and 5,432,431.90 is: 8,142,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,533.70 : 17,718,522.45 = 5,432,431.90 : x
  2. Step 2: Convert to fraction form
    11,821,533.70/17,718,522.45 = 5,432,431.90/x
  3. Step 3: Cross multiply
    11,821,533.70x = 17,718,522.45 × 5,432,431.90
  4. Step 4: Simplify right side
    11,821,533.70x = 96,254,666,578,246.16
  5. Step 5: Solve for x
    x = 96,254,666,578,246.16/11,821,533.70
  6. Step 6: Final answer
    x = 8,142,316.30

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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.