Home / 28,462,852.96-39,278,680.68-15,410,108.32

Finding the Fourth Proportional to 28,462,852.96, 39,278,680.68 and 15,410,108.32

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Solution

The fourth proportional to 28,462,852.96, 39,278,680.68 and 15,410,108.32 is: 21,265,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462,852.96 : 39,278,680.68 = 15,410,108.32 : x
  2. Step 2: Convert to fraction form
    28,462,852.96/39,278,680.68 = 15,410,108.32/x
  3. Step 3: Cross multiply
    28,462,852.96x = 39,278,680.68 × 15,410,108.32
  4. Step 4: Simplify right side
    28,462,852.96x = 605,288,723,945,491.25
  5. Step 5: Solve for x
    x = 605,288,723,945,491.25/28,462,852.96
  6. Step 6: Final answer
    x = 21,265,918.94

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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.