Home / 7,937,643.90-10,958,644.38-4,999,979.22

Finding the Fourth Proportional to 7,937,643.90, 10,958,644.38 and 4,999,979.22

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Solution

The fourth proportional to 7,937,643.90, 10,958,644.38 and 4,999,979.22 is: 6,902,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937,643.90 : 10,958,644.38 = 4,999,979.22 : x
  2. Step 2: Convert to fraction form
    7,937,643.90/10,958,644.38 = 4,999,979.22/x
  3. Step 3: Cross multiply
    7,937,643.90x = 10,958,644.38 × 4,999,979.22
  4. Step 4: Simplify right side
    7,937,643.90x = 54,792,994,119,524.95
  5. Step 5: Solve for x
    x = 54,792,994,119,524.95/7,937,643.90
  6. Step 6: Final answer
    x = 6,902,929.23

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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.