Home / 12,993,090.60-19,503,632.70-7,324,386.60

Finding the Fourth Proportional to 12,993,090.60, 19,503,632.70 and 7,324,386.60

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Solution

The fourth proportional to 12,993,090.60, 19,503,632.70 and 7,324,386.60 is: 10,994,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,090.60 : 19,503,632.70 = 7,324,386.60 : x
  2. Step 2: Convert to fraction form
    12,993,090.60/19,503,632.70 = 7,324,386.60/x
  3. Step 3: Cross multiply
    12,993,090.60x = 19,503,632.70 × 7,324,386.60
  4. Step 4: Simplify right side
    12,993,090.60x = 142,852,145,999,201.81
  5. Step 5: Solve for x
    x = 142,852,145,999,201.81/12,993,090.60
  6. Step 6: Final answer
    x = 10,994,470.09

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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.