Home / 12,022,072.74-16,590,417.91-6,515,581.23

Finding the Fourth Proportional to 12,022,072.74, 16,590,417.91 and 6,515,581.23

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Solution

The fourth proportional to 12,022,072.74, 16,590,417.91 and 6,515,581.23 is: 8,991,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022,072.74 : 16,590,417.91 = 6,515,581.23 : x
  2. Step 2: Convert to fraction form
    12,022,072.74/16,590,417.91 = 6,515,581.23/x
  3. Step 3: Cross multiply
    12,022,072.74x = 16,590,417.91 × 6,515,581.23
  4. Step 4: Simplify right side
    12,022,072.74x = 108,096,215,515,962.89
  5. Step 5: Solve for x
    x = 108,096,215,515,962.89/12,022,072.74
  6. Step 6: Final answer
    x = 8,991,479.08

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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.