Home / 7,137,072.02-9,848,895.78-3,873,817.40

Finding the Fourth Proportional to 7,137,072.02, 9,848,895.78 and 3,873,817.40

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Solution

The fourth proportional to 7,137,072.02, 9,848,895.78 and 3,873,817.40 is: 5,345,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,072.02 : 9,848,895.78 = 3,873,817.40 : x
  2. Step 2: Convert to fraction form
    7,137,072.02/9,848,895.78 = 3,873,817.40/x
  3. Step 3: Cross multiply
    7,137,072.02x = 9,848,895.78 × 3,873,817.40
  4. Step 4: Simplify right side
    7,137,072.02x = 38,152,823,843,350.57
  5. Step 5: Solve for x
    x = 38,152,823,843,350.57/7,137,072.02
  6. Step 6: Final answer
    x = 5,345,724.93

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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.