Home / 12,323,189.43-17,004,692.70-6,815,689.20

Finding the Fourth Proportional to 12,323,189.43, 17,004,692.70 and 6,815,689.20

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Solution

The fourth proportional to 12,323,189.43, 17,004,692.70 and 6,815,689.20 is: 9,404,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323,189.43 : 17,004,692.70 = 6,815,689.20 : x
  2. Step 2: Convert to fraction form
    12,323,189.43/17,004,692.70 = 6,815,689.20/x
  3. Step 3: Cross multiply
    12,323,189.43x = 17,004,692.70 × 6,815,689.20
  4. Step 4: Simplify right side
    12,323,189.43x = 115,898,700,384,708.84
  5. Step 5: Solve for x
    x = 115,898,700,384,708.84/12,323,189.43
  6. Step 6: Final answer
    x = 9,404,927.27

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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.