Home / 12,826,986.51-17,701,022.55-6,946,572.90

Finding the Fourth Proportional to 12,826,986.51, 17,701,022.55 and 6,946,572.90

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Solution

The fourth proportional to 12,826,986.51, 17,701,022.55 and 6,946,572.90 is: 9,586,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,986.51 : 17,701,022.55 = 6,946,572.90 : x
  2. Step 2: Convert to fraction form
    12,826,986.51/17,701,022.55 = 6,946,572.90/x
  3. Step 3: Cross multiply
    12,826,986.51x = 17,701,022.55 × 6,946,572.90
  4. Step 4: Simplify right side
    12,826,986.51x = 122,961,443,548,118.91
  5. Step 5: Solve for x
    x = 122,961,443,548,118.91/12,826,986.51
  6. Step 6: Final answer
    x = 9,586,152.09

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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.