Home / 13,294,720.40-19,942,080.60-8,229,606.80

Finding the Fourth Proportional to 13,294,720.40, 19,942,080.60 and 8,229,606.80

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Solution

The fourth proportional to 13,294,720.40, 19,942,080.60 and 8,229,606.80 is: 12,344,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294,720.40 : 19,942,080.60 = 8,229,606.80 : x
  2. Step 2: Convert to fraction form
    13,294,720.40/19,942,080.60 = 8,229,606.80/x
  3. Step 3: Cross multiply
    13,294,720.40x = 19,942,080.60 × 8,229,606.80
  4. Step 4: Simplify right side
    13,294,720.40x = 164,115,482,111,908.09
  5. Step 5: Solve for x
    x = 164,115,482,111,908.09/13,294,720.40
  6. Step 6: Final answer
    x = 12,344,410.20

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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.