Home / 8,028,431.39-12,039,947.48-2,909,789.79

Finding the Fourth Proportional to 8,028,431.39, 12,039,947.48 and 2,909,789.79

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Solution

The fourth proportional to 8,028,431.39, 12,039,947.48 and 2,909,789.79 is: 4,363,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028,431.39 : 12,039,947.48 = 2,909,789.79 : x
  2. Step 2: Convert to fraction form
    8,028,431.39/12,039,947.48 = 2,909,789.79/x
  3. Step 3: Cross multiply
    8,028,431.39x = 12,039,947.48 × 2,909,789.79
  4. Step 4: Simplify right side
    8,028,431.39x = 35,033,716,249,440.23
  5. Step 5: Solve for x
    x = 35,033,716,249,440.23/8,028,431.39
  6. Step 6: Final answer
    x = 4,363,706.25

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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.