Home / 18,119,571.95-27,175,848.81-7,040,624.32

Finding the Fourth Proportional to 18,119,571.95, 27,175,848.81 and 7,040,624.32

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Solution

The fourth proportional to 18,119,571.95, 27,175,848.81 and 7,040,624.32 is: 10,559,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119,571.95 : 27,175,848.81 = 7,040,624.32 : x
  2. Step 2: Convert to fraction form
    18,119,571.95/27,175,848.81 = 7,040,624.32/x
  3. Step 3: Cross multiply
    18,119,571.95x = 27,175,848.81 × 7,040,624.32
  4. Step 4: Simplify right side
    18,119,571.95x = 191,334,942,055,896.53
  5. Step 5: Solve for x
    x = 191,334,942,055,896.53/18,119,571.95
  6. Step 6: Final answer
    x = 10,559,572.96

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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.