Home / 13,748,085.60-20,608,131.60-8,065,384.80

Finding the Fourth Proportional to 13,748,085.60, 20,608,131.60 and 8,065,384.80

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Solution

The fourth proportional to 13,748,085.60, 20,608,131.60 and 8,065,384.80 is: 12,089,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748,085.60 : 20,608,131.60 = 8,065,384.80 : x
  2. Step 2: Convert to fraction form
    13,748,085.60/20,608,131.60 = 8,065,384.80/x
  3. Step 3: Cross multiply
    13,748,085.60x = 20,608,131.60 × 8,065,384.80
  4. Step 4: Simplify right side
    13,748,085.60x = 166,212,511,363,039.69
  5. Step 5: Solve for x
    x = 166,212,511,363,039.69/13,748,085.60
  6. Step 6: Final answer
    x = 12,089,865.91

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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.