Home / 21,789,025.60-32,612,679.60-16,970,627.20

Finding the Fourth Proportional to 21,789,025.60, 32,612,679.60 and 16,970,627.20

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Solution

The fourth proportional to 21,789,025.60, 32,612,679.60 and 16,970,627.20 is: 25,400,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789,025.60 : 32,612,679.60 = 16,970,627.20 : x
  2. Step 2: Convert to fraction form
    21,789,025.60/32,612,679.60 = 16,970,627.20/x
  3. Step 3: Cross multiply
    21,789,025.60x = 32,612,679.60 × 16,970,627.20
  4. Step 4: Simplify right side
    21,789,025.60x = 553,457,627,484,645.12
  5. Step 5: Solve for x
    x = 553,457,627,484,645.12/21,789,025.60
  6. Step 6: Final answer
    x = 25,400,751.63

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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.