Home / 7,916,721.84-11,873,449.80-3,869,054.64

Finding the Fourth Proportional to 7,916,721.84, 11,873,449.80 and 3,869,054.64

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Solution

The fourth proportional to 7,916,721.84, 11,873,449.80 and 3,869,054.64 is: 5,802,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916,721.84 : 11,873,449.80 = 3,869,054.64 : x
  2. Step 2: Convert to fraction form
    7,916,721.84/11,873,449.80 = 3,869,054.64/x
  3. Step 3: Cross multiply
    7,916,721.84x = 11,873,449.80 × 3,869,054.64
  4. Step 4: Simplify right side
    7,916,721.84x = 45,939,026,041,497.08
  5. Step 5: Solve for x
    x = 45,939,026,041,497.08/7,916,721.84
  6. Step 6: Final answer
    x = 5,802,783.90

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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.