Home / 12,014,775.40-18,024,128.70-3,925,402.60

Finding the Fourth Proportional to 12,014,775.40, 18,024,128.70 and 3,925,402.60

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Solution

The fourth proportional to 12,014,775.40, 18,024,128.70 and 3,925,402.60 is: 5,888,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014,775.40 : 18,024,128.70 = 3,925,402.60 : x
  2. Step 2: Convert to fraction form
    12,014,775.40/18,024,128.70 = 3,925,402.60/x
  3. Step 3: Cross multiply
    12,014,775.40x = 18,024,128.70 × 3,925,402.60
  4. Step 4: Simplify right side
    12,014,775.40x = 70,751,961,661,714.62
  5. Step 5: Solve for x
    x = 70,751,961,661,714.62/12,014,775.40
  6. Step 6: Final answer
    x = 5,888,746.09

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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.