Home / 12,089,123.70-18,133,685.55-10,671,947.70

Finding the Fourth Proportional to 12,089,123.70, 18,133,685.55 and 10,671,947.70

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Solution

The fourth proportional to 12,089,123.70, 18,133,685.55 and 10,671,947.70 is: 16,007,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,123.70 : 18,133,685.55 = 10,671,947.70 : x
  2. Step 2: Convert to fraction form
    12,089,123.70/18,133,685.55 = 10,671,947.70/x
  3. Step 3: Cross multiply
    12,089,123.70x = 18,133,685.55 × 10,671,947.70
  4. Step 4: Simplify right side
    12,089,123.70x = 193,521,743,797,845.72
  5. Step 5: Solve for x
    x = 193,521,743,797,845.72/12,089,123.70
  6. Step 6: Final answer
    x = 16,007,921.55

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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.