Home / 11,878,660.56-16,392,551.70-6,446,152.56

Finding the Fourth Proportional to 11,878,660.56, 16,392,551.70 and 6,446,152.56

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Solution

The fourth proportional to 11,878,660.56, 16,392,551.70 and 6,446,152.56 is: 8,895,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,660.56 : 16,392,551.70 = 6,446,152.56 : x
  2. Step 2: Convert to fraction form
    11,878,660.56/16,392,551.70 = 6,446,152.56/x
  3. Step 3: Cross multiply
    11,878,660.56x = 16,392,551.70 × 6,446,152.56
  4. Step 4: Simplify right side
    11,878,660.56x = 105,668,889,105,887.34
  5. Step 5: Solve for x
    x = 105,668,889,105,887.34/11,878,660.56
  6. Step 6: Final answer
    x = 8,895,690.60

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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.