Home / 8,126,513.52-11,215,721.88-4,688,692.08

Finding the Fourth Proportional to 8,126,513.52, 11,215,721.88 and 4,688,692.08

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Solution

The fourth proportional to 8,126,513.52, 11,215,721.88 and 4,688,692.08 is: 6,471,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126,513.52 : 11,215,721.88 = 4,688,692.08 : x
  2. Step 2: Convert to fraction form
    8,126,513.52/11,215,721.88 = 4,688,692.08/x
  3. Step 3: Cross multiply
    8,126,513.52x = 11,215,721.88 × 4,688,692.08
  4. Step 4: Simplify right side
    8,126,513.52x = 52,587,066,350,238.72
  5. Step 5: Solve for x
    x = 52,587,066,350,238.72/8,126,513.52
  6. Step 6: Final answer
    x = 6,471,048.90

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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.