Home / 7,978,364.75-11,967,547.40-1,994,732.75

Finding the Fourth Proportional to 7,978,364.75, 11,967,547.40 and 1,994,732.75

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Solution

The fourth proportional to 7,978,364.75, 11,967,547.40 and 1,994,732.75 is: 2,992,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,364.75 : 11,967,547.40 = 1,994,732.75 : x
  2. Step 2: Convert to fraction form
    7,978,364.75/11,967,547.40 = 1,994,732.75/x
  3. Step 3: Cross multiply
    7,978,364.75x = 11,967,547.40 × 1,994,732.75
  4. Step 4: Simplify right side
    7,978,364.75x = 23,872,058,735,957.35
  5. Step 5: Solve for x
    x = 23,872,058,735,957.35/7,978,364.75
  6. Step 6: Final answer
    x = 2,992,099.19

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1.5x scale

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.