Home / 6,909,835.70-10,366,269.87-2,117,885.42

Finding the Fourth Proportional to 6,909,835.70, 10,366,269.87 and 2,117,885.42

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Solution

The fourth proportional to 6,909,835.70, 10,366,269.87 and 2,117,885.42 is: 3,177,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,835.70 : 10,366,269.87 = 2,117,885.42 : x
  2. Step 2: Convert to fraction form
    6,909,835.70/10,366,269.87 = 2,117,885.42/x
  3. Step 3: Cross multiply
    6,909,835.70x = 10,366,269.87 × 2,117,885.42
  4. Step 4: Simplify right side
    6,909,835.70x = 21,954,571,817,458.29
  5. Step 5: Solve for x
    x = 21,954,571,817,458.29/6,909,835.70
  6. Step 6: Final answer
    x = 3,177,292.89

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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.