Home / 10,400,986.80-15,595,259.40-5,362,138.80

Finding the Fourth Proportional to 10,400,986.80, 15,595,259.40 and 5,362,138.80

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Solution

The fourth proportional to 10,400,986.80, 15,595,259.40 and 5,362,138.80 is: 8,040,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,986.80 : 15,595,259.40 = 5,362,138.80 : x
  2. Step 2: Convert to fraction form
    10,400,986.80/15,595,259.40 = 5,362,138.80/x
  3. Step 3: Cross multiply
    10,400,986.80x = 15,595,259.40 × 5,362,138.80
  4. Step 4: Simplify right side
    10,400,986.80x = 83,623,945,524,804.72
  5. Step 5: Solve for x
    x = 83,623,945,524,804.72/10,400,986.80
  6. Step 6: Final answer
    x = 8,040,001.12

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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.