Home / 12,384,003.60-18,576,005.40-9,360,694.80

Finding the Fourth Proportional to 12,384,003.60, 18,576,005.40 and 9,360,694.80

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Solution

The fourth proportional to 12,384,003.60, 18,576,005.40 and 9,360,694.80 is: 14,041,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,003.60 : 18,576,005.40 = 9,360,694.80 : x
  2. Step 2: Convert to fraction form
    12,384,003.60/18,576,005.40 = 9,360,694.80/x
  3. Step 3: Cross multiply
    12,384,003.60x = 18,576,005.40 × 9,360,694.80
  4. Step 4: Simplify right side
    12,384,003.60x = 173,884,317,152,551.91
  5. Step 5: Solve for x
    x = 173,884,317,152,551.91/12,384,003.60
  6. Step 6: Final answer
    x = 14,041,042.20

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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.