Home / 13,300,936.96-18,355,282-7,189,365.44

Finding the Fourth Proportional to 13,300,936.96, 18,355,282 and 7,189,365.44

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Solution

The fourth proportional to 13,300,936.96, 18,355,282 and 7,189,365.44 is: 9,921,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300,936.96 : 18,355,282 = 7,189,365.44 : x
  2. Step 2: Convert to fraction form
    13,300,936.96/18,355,282 = 7,189,365.44/x
  3. Step 3: Cross multiply
    13,300,936.96x = 18,355,282 × 7,189,365.44
  4. Step 4: Simplify right side
    13,300,936.96x = 131,962,830,052,254.09
  5. Step 5: Solve for x
    x = 131,962,830,052,254.09/13,300,936.96
  6. Step 6: Final answer
    x = 9,921,318.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.