Home / 12,285,683.60-18,428,525.40-4,197,446.83

Finding the Fourth Proportional to 12,285,683.60, 18,428,525.40 and 4,197,446.83

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Solution

The fourth proportional to 12,285,683.60, 18,428,525.40 and 4,197,446.83 is: 6,296,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,683.60 : 18,428,525.40 = 4,197,446.83 : x
  2. Step 2: Convert to fraction form
    12,285,683.60/18,428,525.40 = 4,197,446.83/x
  3. Step 3: Cross multiply
    12,285,683.60x = 18,428,525.40 × 4,197,446.83
  4. Step 4: Simplify right side
    12,285,683.60x = 77,352,755,429,661.86
  5. Step 5: Solve for x
    x = 77,352,755,429,661.86/12,285,683.60
  6. Step 6: Final answer
    x = 6,296,170.24

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1.5x scale

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.