Home / 12,783,480.60-19,175,220.90-11,066,539.80

Finding the Fourth Proportional to 12,783,480.60, 19,175,220.90 and 11,066,539.80

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Solution

The fourth proportional to 12,783,480.60, 19,175,220.90 and 11,066,539.80 is: 16,599,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,480.60 : 19,175,220.90 = 11,066,539.80 : x
  2. Step 2: Convert to fraction form
    12,783,480.60/19,175,220.90 = 11,066,539.80/x
  3. Step 3: Cross multiply
    12,783,480.60x = 19,175,220.90 × 11,066,539.80
  4. Step 4: Simplify right side
    12,783,480.60x = 212,203,345,263,641.81
  5. Step 5: Solve for x
    x = 212,203,345,263,641.81/12,783,480.60
  6. Step 6: Final answer
    x = 16,599,809.70

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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.