Home / 20,177,969.51-30,271,758.93-6,531,118.40

Finding the Fourth Proportional to 20,177,969.51, 30,271,758.93 and 6,531,118.40

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Solution

The fourth proportional to 20,177,969.51, 30,271,758.93 and 6,531,118.40 is: 9,798,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,969.51 : 30,271,758.93 = 6,531,118.40 : x
  2. Step 2: Convert to fraction form
    20,177,969.51/30,271,758.93 = 6,531,118.40/x
  3. Step 3: Cross multiply
    20,177,969.51x = 30,271,758.93 × 6,531,118.40
  4. Step 4: Simplify right side
    20,177,969.51x = 197,708,441,823,766.69
  5. Step 5: Solve for x
    x = 197,708,441,823,766.69/20,177,969.51
  6. Step 6: Final answer
    x = 9,798,232.76

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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.