Home / 8,606,209.88-12,900,457.46-3,816,155

Finding the Fourth Proportional to 8,606,209.88, 12,900,457.46 and 3,816,155

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Solution

The fourth proportional to 8,606,209.88, 12,900,457.46 and 3,816,155 is: 5,720,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606,209.88 : 12,900,457.46 = 3,816,155 : x
  2. Step 2: Convert to fraction form
    8,606,209.88/12,900,457.46 = 3,816,155/x
  3. Step 3: Cross multiply
    8,606,209.88x = 12,900,457.46 × 3,816,155
  4. Step 4: Simplify right side
    8,606,209.88x = 49,230,145,238,266.30
  5. Step 5: Solve for x
    x = 49,230,145,238,266.30/8,606,209.88
  6. Step 6: Final answer
    x = 5,720,304.98

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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.