Home / 12,916,099.85-19,374,149.77-5,343,065.60

Finding the Fourth Proportional to 12,916,099.85, 19,374,149.77 and 5,343,065.60

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Solution

The fourth proportional to 12,916,099.85, 19,374,149.77 and 5,343,065.60 is: 8,014,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916,099.85 : 19,374,149.77 = 5,343,065.60 : x
  2. Step 2: Convert to fraction form
    12,916,099.85/19,374,149.77 = 5,343,065.60/x
  3. Step 3: Cross multiply
    12,916,099.85x = 19,374,149.77 × 5,343,065.60
  4. Step 4: Simplify right side
    12,916,099.85x = 103,517,353,109,596.28
  5. Step 5: Solve for x
    x = 103,517,353,109,596.28/12,916,099.85
  6. Step 6: Final answer
    x = 8,014,598.39

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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.