Home / 19,150,223.10-28,725,334.65-12,739,688.70

Finding the Fourth Proportional to 19,150,223.10, 28,725,334.65 and 12,739,688.70

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Solution

The fourth proportional to 19,150,223.10, 28,725,334.65 and 12,739,688.70 is: 19,109,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150,223.10 : 28,725,334.65 = 12,739,688.70 : x
  2. Step 2: Convert to fraction form
    19,150,223.10/28,725,334.65 = 12,739,688.70/x
  3. Step 3: Cross multiply
    19,150,223.10x = 28,725,334.65 × 12,739,688.70
  4. Step 4: Simplify right side
    19,150,223.10x = 365,951,821,244,323.44
  5. Step 5: Solve for x
    x = 365,951,821,244,323.44/19,150,223.10
  6. Step 6: Final answer
    x = 19,109,533.05

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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.