Home / 12,101,731.60-18,152,597.40-10,608,739.60

Finding the Fourth Proportional to 12,101,731.60, 18,152,597.40 and 10,608,739.60

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Solution

The fourth proportional to 12,101,731.60, 18,152,597.40 and 10,608,739.60 is: 15,913,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,731.60 : 18,152,597.40 = 10,608,739.60 : x
  2. Step 2: Convert to fraction form
    12,101,731.60/18,152,597.40 = 10,608,739.60/x
  3. Step 3: Cross multiply
    12,101,731.60x = 18,152,597.40 × 10,608,739.60
  4. Step 4: Simplify right side
    12,101,731.60x = 192,576,178,880,237.03
  5. Step 5: Solve for x
    x = 192,576,178,880,237.03/12,101,731.60
  6. Step 6: Final answer
    x = 15,913,109.40

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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.