Home / 13,353,611.80-20,030,417.70-12,184,441.60

Finding the Fourth Proportional to 13,353,611.80, 20,030,417.70 and 12,184,441.60

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Solution

The fourth proportional to 13,353,611.80, 20,030,417.70 and 12,184,441.60 is: 18,276,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,611.80 : 20,030,417.70 = 12,184,441.60 : x
  2. Step 2: Convert to fraction form
    13,353,611.80/20,030,417.70 = 12,184,441.60/x
  3. Step 3: Cross multiply
    13,353,611.80x = 20,030,417.70 × 12,184,441.60
  4. Step 4: Simplify right side
    13,353,611.80x = 244,059,454,689,256.31
  5. Step 5: Solve for x
    x = 244,059,454,689,256.31/13,353,611.80
  6. Step 6: Final answer
    x = 18,276,662.40

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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.