Home / 12,385,577.70-17,091,996.17-6,803,917.65

Finding the Fourth Proportional to 12,385,577.70, 17,091,996.17 and 6,803,917.65

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Solution

The fourth proportional to 12,385,577.70, 17,091,996.17 and 6,803,917.65 is: 9,389,350.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,577.70 : 17,091,996.17 = 6,803,917.65 : x
  2. Step 2: Convert to fraction form
    12,385,577.70/17,091,996.17 = 6,803,917.65/x
  3. Step 3: Cross multiply
    12,385,577.70x = 17,091,996.17 × 6,803,917.65
  4. Step 4: Simplify right side
    12,385,577.70x = 116,292,534,380,775.81
  5. Step 5: Solve for x
    x = 116,292,534,380,775.81/12,385,577.70
  6. Step 6: Final answer
    x = 9,389,350.84

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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.