Home / 7,998,365.36-11,998,792.20-2,605,760.40

Finding the Fourth Proportional to 7,998,365.36, 11,998,792.20 and 2,605,760.40

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Solution

The fourth proportional to 7,998,365.36, 11,998,792.20 and 2,605,760.40 is: 3,909,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998,365.36 : 11,998,792.20 = 2,605,760.40 : x
  2. Step 2: Convert to fraction form
    7,998,365.36/11,998,792.20 = 2,605,760.40/x
  3. Step 3: Cross multiply
    7,998,365.36x = 11,998,792.20 × 2,605,760.40
  4. Step 4: Simplify right side
    7,998,365.36x = 31,265,977,562,588.88
  5. Step 5: Solve for x
    x = 31,265,977,562,588.88/7,998,365.36
  6. Step 6: Final answer
    x = 3,909,045.93

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1.5x scale

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.