Home / 9,220,819.80-12,928,043.40-9,220,819.80

Finding the Fourth Proportional to 9,220,819.80, 12,928,043.40 and 9,220,819.80

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Solution

The fourth proportional to 9,220,819.80, 12,928,043.40 and 9,220,819.80 is: 12,928,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,819.80 : 12,928,043.40 = 9,220,819.80 : x
  2. Step 2: Convert to fraction form
    9,220,819.80/12,928,043.40 = 9,220,819.80/x
  3. Step 3: Cross multiply
    9,220,819.80x = 12,928,043.40 × 9,220,819.80
  4. Step 4: Simplify right side
    9,220,819.80x = 119,207,158,557,979.33
  5. Step 5: Solve for x
    x = 119,207,158,557,979.33/9,220,819.80
  6. Step 6: Final answer
    x = 12,928,043.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.