Home / 12,483,781.60-18,725,672.40-3,508,333.60

Finding the Fourth Proportional to 12,483,781.60, 18,725,672.40 and 3,508,333.60

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Solution

The fourth proportional to 12,483,781.60, 18,725,672.40 and 3,508,333.60 is: 5,262,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,781.60 : 18,725,672.40 = 3,508,333.60 : x
  2. Step 2: Convert to fraction form
    12,483,781.60/18,725,672.40 = 3,508,333.60/x
  3. Step 3: Cross multiply
    12,483,781.60x = 18,725,672.40 × 3,508,333.60
  4. Step 4: Simplify right side
    12,483,781.60x = 65,695,905,663,512.63
  5. Step 5: Solve for x
    x = 65,695,905,663,512.63/12,483,781.60
  6. Step 6: Final answer
    x = 5,262,500.40

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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.