Home / 12,184,487.20-18,276,730.80-12,100,506.40

Finding the Fourth Proportional to 12,184,487.20, 18,276,730.80 and 12,100,506.40

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Solution

The fourth proportional to 12,184,487.20, 18,276,730.80 and 12,100,506.40 is: 18,150,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184,487.20 : 18,276,730.80 = 12,100,506.40 : x
  2. Step 2: Convert to fraction form
    12,184,487.20/18,276,730.80 = 12,100,506.40/x
  3. Step 3: Cross multiply
    12,184,487.20x = 18,276,730.80 × 12,100,506.40
  4. Step 4: Simplify right side
    12,184,487.20x = 221,157,698,016,477.12
  5. Step 5: Solve for x
    x = 221,157,698,016,477.12/12,184,487.20
  6. Step 6: Final answer
    x = 18,150,759.60

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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.