Home / 13,149,052.80-19,723,579.20-8,614,089.60

Finding the Fourth Proportional to 13,149,052.80, 19,723,579.20 and 8,614,089.60

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Solution

The fourth proportional to 13,149,052.80, 19,723,579.20 and 8,614,089.60 is: 12,921,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,052.80 : 19,723,579.20 = 8,614,089.60 : x
  2. Step 2: Convert to fraction form
    13,149,052.80/19,723,579.20 = 8,614,089.60/x
  3. Step 3: Cross multiply
    13,149,052.80x = 19,723,579.20 × 8,614,089.60
  4. Step 4: Simplify right side
    13,149,052.80x = 169,900,678,461,496.31
  5. Step 5: Solve for x
    x = 169,900,678,461,496.31/13,149,052.80
  6. Step 6: Final answer
    x = 12,921,134.40

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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.