Home / 15,289,581.84-21,099,626.04-8,414,063.92

Finding the Fourth Proportional to 15,289,581.84, 21,099,626.04 and 8,414,063.92

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Solution

The fourth proportional to 15,289,581.84, 21,099,626.04 and 8,414,063.92 is: 11,611,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,581.84 : 21,099,626.04 = 8,414,063.92 : x
  2. Step 2: Convert to fraction form
    15,289,581.84/21,099,626.04 = 8,414,063.92/x
  3. Step 3: Cross multiply
    15,289,581.84x = 21,099,626.04 × 8,414,063.92
  4. Step 4: Simplify right side
    15,289,581.84x = 177,533,602,188,656.47
  5. Step 5: Solve for x
    x = 177,533,602,188,656.47/15,289,581.84
  6. Step 6: Final answer
    x = 11,611,409.92

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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.