Home / 15,289,579.84-21,099,623.28-8,414,061.91

Finding the Fourth Proportional to 15,289,579.84, 21,099,623.28 and 8,414,061.91

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Solution

The fourth proportional to 15,289,579.84, 21,099,623.28 and 8,414,061.91 is: 11,611,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,579.84 : 21,099,623.28 = 8,414,061.91 : x
  2. Step 2: Convert to fraction form
    15,289,579.84/21,099,623.28 = 8,414,061.91/x
  3. Step 3: Cross multiply
    15,289,579.84x = 21,099,623.28 × 8,414,061.91
  4. Step 4: Simplify right side
    15,289,579.84x = 177,533,536,555,597.28
  5. Step 5: Solve for x
    x = 177,533,536,555,597.28/15,289,579.84
  6. Step 6: Final answer
    x = 11,611,407.14

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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.