Home / 7,390,923.40-11,084,829.90-3,131,230.60

Finding the Fourth Proportional to 7,390,923.40, 11,084,829.90 and 3,131,230.60

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Solution

The fourth proportional to 7,390,923.40, 11,084,829.90 and 3,131,230.60 is: 4,696,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,923.40 : 11,084,829.90 = 3,131,230.60 : x
  2. Step 2: Convert to fraction form
    7,390,923.40/11,084,829.90 = 3,131,230.60/x
  3. Step 3: Cross multiply
    7,390,923.40x = 11,084,829.90 × 3,131,230.60
  4. Step 4: Simplify right side
    7,390,923.40x = 34,709,158,578,674.94
  5. Step 5: Solve for x
    x = 34,709,158,578,674.94/7,390,923.40
  6. Step 6: Final answer
    x = 4,696,187.03

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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.