Home / 13,905,904.40-20,858,856.60-12,562,211.60

Finding the Fourth Proportional to 13,905,904.40, 20,858,856.60 and 12,562,211.60

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Solution

The fourth proportional to 13,905,904.40, 20,858,856.60 and 12,562,211.60 is: 18,843,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,904.40 : 20,858,856.60 = 12,562,211.60 : x
  2. Step 2: Convert to fraction form
    13,905,904.40/20,858,856.60 = 12,562,211.60/x
  3. Step 3: Cross multiply
    13,905,904.40x = 20,858,856.60 × 12,562,211.60
  4. Step 4: Simplify right side
    13,905,904.40x = 262,033,370,343,256.56
  5. Step 5: Solve for x
    x = 262,033,370,343,256.56/13,905,904.40
  6. Step 6: Final answer
    x = 18,843,317.40

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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.