Home / 11,878,818.57-16,392,769.62-6,446,310.57

Finding the Fourth Proportional to 11,878,818.57, 16,392,769.62 and 6,446,310.57

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Solution

The fourth proportional to 11,878,818.57, 16,392,769.62 and 6,446,310.57 is: 8,895,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,818.57 : 16,392,769.62 = 6,446,310.57 : x
  2. Step 2: Convert to fraction form
    11,878,818.57/16,392,769.62 = 6,446,310.57/x
  3. Step 3: Cross multiply
    11,878,818.57x = 16,392,769.62 × 6,446,310.57
  4. Step 4: Simplify right side
    11,878,818.57x = 105,672,884,072,980.89
  5. Step 5: Solve for x
    x = 105,672,884,072,980.89/11,878,818.57
  6. Step 6: Final answer
    x = 8,895,908.58

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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.