Home / 18,453,670.40-27,680,505.60-4,806,790.40

Finding the Fourth Proportional to 18,453,670.40, 27,680,505.60 and 4,806,790.40

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Solution

The fourth proportional to 18,453,670.40, 27,680,505.60 and 4,806,790.40 is: 7,210,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,670.40 : 27,680,505.60 = 4,806,790.40 : x
  2. Step 2: Convert to fraction form
    18,453,670.40/27,680,505.60 = 4,806,790.40/x
  3. Step 3: Cross multiply
    18,453,670.40x = 27,680,505.60 × 4,806,790.40
  4. Step 4: Simplify right side
    18,453,670.40x = 133,054,388,585,226.25
  5. Step 5: Solve for x
    x = 133,054,388,585,226.25/18,453,670.40
  6. Step 6: Final answer
    x = 7,210,185.60

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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.