Home / 28,618,305.84-42,928,836.48-9,448,638.48

Finding the Fourth Proportional to 28,618,305.84, 42,928,836.48 and 9,448,638.48

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Solution

The fourth proportional to 28,618,305.84, 42,928,836.48 and 9,448,638.48 is: 14,173,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618,305.84 : 42,928,836.48 = 9,448,638.48 : x
  2. Step 2: Convert to fraction form
    28,618,305.84/42,928,836.48 = 9,448,638.48/x
  3. Step 3: Cross multiply
    28,618,305.84x = 42,928,836.48 × 9,448,638.48
  4. Step 4: Simplify right side
    28,618,305.84x = 405,619,056,266,555.75
  5. Step 5: Solve for x
    x = 405,619,056,266,555.75/28,618,305.84
  6. Step 6: Final answer
    x = 14,173,412.59

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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.