Home / 15,289,537.83-21,099,565.16-8,414,019.89

Finding the Fourth Proportional to 15,289,537.83, 21,099,565.16 and 8,414,019.89

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Solution

The fourth proportional to 15,289,537.83, 21,099,565.16 and 8,414,019.89 is: 11,611,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,537.83 : 21,099,565.16 = 8,414,019.89 : x
  2. Step 2: Convert to fraction form
    15,289,537.83/21,099,565.16 = 8,414,019.89/x
  3. Step 3: Cross multiply
    15,289,537.83x = 21,099,565.16 × 8,414,019.89
  4. Step 4: Simplify right side
    15,289,537.83x = 177,532,160,889,699.06
  5. Step 5: Solve for x
    x = 177,532,160,889,699.06/15,289,537.83
  6. Step 6: Final answer
    x = 11,611,349.07

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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.