Home / 7,019,659.01-9,686,238.84-4,117,991.15

Finding the Fourth Proportional to 7,019,659.01, 9,686,238.84 and 4,117,991.15

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Solution

The fourth proportional to 7,019,659.01, 9,686,238.84 and 4,117,991.15 is: 5,682,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,659.01 : 9,686,238.84 = 4,117,991.15 : x
  2. Step 2: Convert to fraction form
    7,019,659.01/9,686,238.84 = 4,117,991.15/x
  3. Step 3: Cross multiply
    7,019,659.01x = 9,686,238.84 × 4,117,991.15
  4. Step 4: Simplify right side
    7,019,659.01x = 39,887,845,771,475.07
  5. Step 5: Solve for x
    x = 39,887,845,771,475.07/7,019,659.01
  6. Step 6: Final answer
    x = 5,682,305.33

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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.