Home / 12,820,769.06-17,692,662.21-7,019,551.22

Finding the Fourth Proportional to 12,820,769.06, 17,692,662.21 and 7,019,551.22

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Solution

The fourth proportional to 12,820,769.06, 17,692,662.21 and 7,019,551.22 is: 9,686,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,769.06 : 17,692,662.21 = 7,019,551.22 : x
  2. Step 2: Convert to fraction form
    12,820,769.06/17,692,662.21 = 7,019,551.22/x
  3. Step 3: Cross multiply
    12,820,769.06x = 17,692,662.21 × 7,019,551.22
  4. Step 4: Simplify right side
    12,820,769.06x = 124,194,548,601,253.39
  5. Step 5: Solve for x
    x = 124,194,548,601,253.39/12,820,769.06
  6. Step 6: Final answer
    x = 9,686,981.18

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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.