Home / 14,211,050.20-21,288,581.70-13,203,280.60

Finding the Fourth Proportional to 14,211,050.20, 21,288,581.70 and 13,203,280.60

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Solution

The fourth proportional to 14,211,050.20, 21,288,581.70 and 13,203,280.60 is: 19,778,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211,050.20 : 21,288,581.70 = 13,203,280.60 : x
  2. Step 2: Convert to fraction form
    14,211,050.20/21,288,581.70 = 13,203,280.60/x
  3. Step 3: Cross multiply
    14,211,050.20x = 21,288,581.70 × 13,203,280.60
  4. Step 4: Simplify right side
    14,211,050.20x = 281,079,117,761,125
  5. Step 5: Solve for x
    x = 281,079,117,761,125/14,211,050.20
  6. Step 6: Final answer
    x = 19,778,912.45

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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.