Home / 20,605,425.77-30,901,576.52-6,769,172.84

Finding the Fourth Proportional to 20,605,425.77, 30,901,576.52 and 6,769,172.84

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Solution

The fourth proportional to 20,605,425.77, 30,901,576.52 and 6,769,172.84 is: 10,151,603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605,425.77 : 30,901,576.52 = 6,769,172.84 : x
  2. Step 2: Convert to fraction form
    20,605,425.77/30,901,576.52 = 6,769,172.84/x
  3. Step 3: Cross multiply
    20,605,425.77x = 30,901,576.52 × 6,769,172.84
  4. Step 4: Simplify right side
    20,605,425.77x = 209,178,112,354,780.78
  5. Step 5: Solve for x
    x = 209,178,112,354,780.78/20,605,425.77
  6. Step 6: Final answer
    x = 10,151,603.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.