Finding the Fourth Proportional to 13,165,358.49, 19,740,937.14 and 5,972,968.08
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Solution
The fourth proportional to 13,165,358.49, 19,740,937.14 and 5,972,968.08 is: 8,956,230.66
Step by Step Solution
- Step 1: Write the proportion equation
13,165,358.49 : 19,740,937.14 = 5,972,968.08 : x - Step 2: Convert to fraction form
13,165,358.49/19,740,937.14 = 5,972,968.08/x - Step 3: Cross multiply
13,165,358.49x = 19,740,937.14 × 5,972,968.08 - Step 4: Simplify right side
13,165,358.49x = 117,911,987,406,506.50 - Step 5: Solve for x
x = 117,911,987,406,506.50/13,165,358.49 - Step 6: Final answer
x = 8,956,230.66
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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.