Home / 10,480,056.40-15,682,759.80-7,270,123.60

Finding the Fourth Proportional to 10,480,056.40, 15,682,759.80 and 7,270,123.60

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Solution

The fourth proportional to 10,480,056.40, 15,682,759.80 and 7,270,123.60 is: 10,879,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480,056.40 : 15,682,759.80 = 7,270,123.60 : x
  2. Step 2: Convert to fraction form
    10,480,056.40/15,682,759.80 = 7,270,123.60/x
  3. Step 3: Cross multiply
    10,480,056.40x = 15,682,759.80 × 7,270,123.60
  4. Step 4: Simplify right side
    10,480,056.40x = 114,015,602,135,111.28
  5. Step 5: Solve for x
    x = 114,015,602,135,111.28/10,480,056.40
  6. Step 6: Final answer
    x = 10,879,292.80

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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.