Finding the Fourth Proportional to 13,563,202.34, 18,717,235.38 and 7,368,252.99
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Solution
The fourth proportional to 13,563,202.34, 18,717,235.38 and 7,368,252.99 is: 10,168,197.89
Step by Step Solution
- Step 1: Write the proportion equation
13,563,202.34 : 18,717,235.38 = 7,368,252.99 : x - Step 2: Convert to fraction form
13,563,202.34/18,717,235.38 = 7,368,252.99/x - Step 3: Cross multiply
13,563,202.34x = 18,717,235.38 × 7,368,252.99 - Step 4: Simplify right side
13,563,202.34x = 137,913,325,483,029.14 - Step 5: Solve for x
x = 137,913,325,483,029.14/13,563,202.34 - Step 6: Final answer
x = 10,168,197.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.