Home / 13,608,039.60-20,412,059.40-12,222,356.40

Finding the Fourth Proportional to 13,608,039.60, 20,412,059.40 and 12,222,356.40

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Solution

The fourth proportional to 13,608,039.60, 20,412,059.40 and 12,222,356.40 is: 18,333,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,039.60 : 20,412,059.40 = 12,222,356.40 : x
  2. Step 2: Convert to fraction form
    13,608,039.60/20,412,059.40 = 12,222,356.40/x
  3. Step 3: Cross multiply
    13,608,039.60x = 20,412,059.40 × 12,222,356.40
  4. Step 4: Simplify right side
    13,608,039.60x = 249,483,464,844,770.16
  5. Step 5: Solve for x
    x = 249,483,464,844,770.16/13,608,039.60
  6. Step 6: Final answer
    x = 18,333,534.60

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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.