Home / 12,483,856.40-18,725,784.60-3,508,408.40

Finding the Fourth Proportional to 12,483,856.40, 18,725,784.60 and 3,508,408.40

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Solution

The fourth proportional to 12,483,856.40, 18,725,784.60 and 3,508,408.40 is: 5,262,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,856.40 : 18,725,784.60 = 3,508,408.40 : x
  2. Step 2: Convert to fraction form
    12,483,856.40/18,725,784.60 = 3,508,408.40/x
  3. Step 3: Cross multiply
    12,483,856.40x = 18,725,784.60 × 3,508,408.40
  4. Step 4: Simplify right side
    12,483,856.40x = 65,697,699,987,230.64
  5. Step 5: Solve for x
    x = 65,697,699,987,230.64/12,483,856.40
  6. Step 6: Final answer
    x = 5,262,612.60

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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.