Home / 7,621,842.32-11,424,066.48-3,069,977.66

Finding the Fourth Proportional to 7,621,842.32, 11,424,066.48 and 3,069,977.66

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Solution

The fourth proportional to 7,621,842.32, 11,424,066.48 and 3,069,977.66 is: 4,601,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,842.32 : 11,424,066.48 = 3,069,977.66 : x
  2. Step 2: Convert to fraction form
    7,621,842.32/11,424,066.48 = 3,069,977.66/x
  3. Step 3: Cross multiply
    7,621,842.32x = 11,424,066.48 × 3,069,977.66
  4. Step 4: Simplify right side
    7,621,842.32x = 35,071,628,879,954.84
  5. Step 5: Solve for x
    x = 35,071,628,879,954.84/7,621,842.32
  6. Step 6: Final answer
    x = 4,601,463.45

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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.