Home / 18,683,648.80-25,783,451.39-10,423,712.36

Finding the Fourth Proportional to 18,683,648.80, 25,783,451.39 and 10,423,712.36

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Solution

The fourth proportional to 18,683,648.80, 25,783,451.39 and 10,423,712.36 is: 14,384,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,648.80 : 25,783,451.39 = 10,423,712.36 : x
  2. Step 2: Convert to fraction form
    18,683,648.80/25,783,451.39 = 10,423,712.36/x
  3. Step 3: Cross multiply
    18,683,648.80x = 25,783,451.39 × 10,423,712.36
  4. Step 4: Simplify right side
    18,683,648.80x = 268,759,281,027,920.09
  5. Step 5: Solve for x
    x = 268,759,281,027,920.09/18,683,648.80
  6. Step 6: Final answer
    x = 14,384,732.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.