Home / 30,646,361.73-45,955,708.91-8,781,739.93

Finding the Fourth Proportional to 30,646,361.73, 45,955,708.91 and 8,781,739.93

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Solution

The fourth proportional to 30,646,361.73, 45,955,708.91 and 8,781,739.93 is: 13,168,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646,361.73 : 45,955,708.91 = 8,781,739.93 : x
  2. Step 2: Convert to fraction form
    30,646,361.73/45,955,708.91 = 8,781,739.93/x
  3. Step 3: Cross multiply
    30,646,361.73x = 45,955,708.91 × 8,781,739.93
  4. Step 4: Simplify right side
    30,646,361.73x = 403,571,083,946,403.75
  5. Step 5: Solve for x
    x = 403,571,083,946,403.75/30,646,361.73
  6. Step 6: Final answer
    x = 13,168,645.84

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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.