Home / 12,814,854.55-19,235,790.20-12,525,662.68

Finding the Fourth Proportional to 12,814,854.55, 19,235,790.20 and 12,525,662.68

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Solution

The fourth proportional to 12,814,854.55, 19,235,790.20 and 12,525,662.68 is: 18,801,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814,854.55 : 19,235,790.20 = 12,525,662.68 : x
  2. Step 2: Convert to fraction form
    12,814,854.55/19,235,790.20 = 12,525,662.68/x
  3. Step 3: Cross multiply
    12,814,854.55x = 19,235,790.20 × 12,525,662.68
  4. Step 4: Simplify right side
    12,814,854.55x = 240,941,019,365,821.41
  5. Step 5: Solve for x
    x = 240,941,019,365,821.41/12,814,854.55
  6. Step 6: Final answer
    x = 18,801,697.55

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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.