Home / 7,102,172.80-10,648,010.40-3,910,902.40

Finding the Fourth Proportional to 7,102,172.80, 10,648,010.40 and 3,910,902.40

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Solution

The fourth proportional to 7,102,172.80, 10,648,010.40 and 3,910,902.40 is: 5,863,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,102,172.80 : 10,648,010.40 = 3,910,902.40 : x
  2. Step 2: Convert to fraction form
    7,102,172.80/10,648,010.40 = 3,910,902.40/x
  3. Step 3: Cross multiply
    7,102,172.80x = 10,648,010.40 × 3,910,902.40
  4. Step 4: Simplify right side
    7,102,172.80x = 41,643,329,428,584.96
  5. Step 5: Solve for x
    x = 41,643,329,428,584.96/7,102,172.80
  6. Step 6: Final answer
    x = 5,863,463.28

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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.