Finding the Fourth Proportional to 18,410,587.04, 27,616,987.74 and 5,631,202.46
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Solution
The fourth proportional to 18,410,587.04, 27,616,987.74 and 5,631,202.46 is: 8,447,142.34
Step by Step Solution
- Step 1: Write the proportion equation
18,410,587.04 : 27,616,987.74 = 5,631,202.46 : x - Step 2: Convert to fraction form
18,410,587.04/27,616,987.74 = 5,631,202.46/x - Step 3: Cross multiply
18,410,587.04x = 27,616,987.74 × 5,631,202.46 - Step 4: Simplify right side
18,410,587.04x = 155,516,849,299,277.84 - Step 5: Solve for x
x = 155,516,849,299,277.84/18,410,587.04 - Step 6: Final answer
x = 8,447,142.34
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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.