Home / 43,578,009.40-65,360,015.70-13,278,825.40

Finding the Fourth Proportional to 43,578,009.40, 65,360,015.70 and 13,278,825.40

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Solution

The fourth proportional to 43,578,009.40, 65,360,015.70 and 13,278,825.40 is: 19,916,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,009.40 : 65,360,015.70 = 13,278,825.40 : x
  2. Step 2: Convert to fraction form
    43,578,009.40/65,360,015.70 = 13,278,825.40/x
  3. Step 3: Cross multiply
    43,578,009.40x = 65,360,015.70 × 13,278,825.40
  4. Step 4: Simplify right side
    43,578,009.40x = 867,904,236,621,558.88
  5. Step 5: Solve for x
    x = 867,904,236,621,558.88/43,578,009.40
  6. Step 6: Final answer
    x = 19,916,105.59

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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.