Home / 14,382,109.60-19,847,180.10-7,855,738

Finding the Fourth Proportional to 14,382,109.60, 19,847,180.10 and 7,855,738

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Solution

The fourth proportional to 14,382,109.60, 19,847,180.10 and 7,855,738 is: 10,840,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382,109.60 : 19,847,180.10 = 7,855,738 : x
  2. Step 2: Convert to fraction form
    14,382,109.60/19,847,180.10 = 7,855,738/x
  3. Step 3: Cross multiply
    14,382,109.60x = 19,847,180.10 × 7,855,738
  4. Step 4: Simplify right side
    14,382,109.60x = 155,914,246,904,413.81
  5. Step 5: Solve for x
    x = 155,914,246,904,413.81/14,382,109.60
  6. Step 6: Final answer
    x = 10,840,846.80

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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.