Home / 21,533,671.78-32,305,308.74-6,179,764.57

Finding the Fourth Proportional to 21,533,671.78, 32,305,308.74 and 6,179,764.57

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Solution

The fourth proportional to 21,533,671.78, 32,305,308.74 and 6,179,764.57 is: 9,271,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533,671.78 : 32,305,308.74 = 6,179,764.57 : x
  2. Step 2: Convert to fraction form
    21,533,671.78/32,305,308.74 = 6,179,764.57/x
  3. Step 3: Cross multiply
    21,533,671.78x = 32,305,308.74 × 6,179,764.57
  4. Step 4: Simplify right side
    21,533,671.78x = 199,639,202,374,363.34
  5. Step 5: Solve for x
    x = 199,639,202,374,363.34/21,533,671.78
  6. Step 6: Final answer
    x = 9,271,024.67

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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.