Finding the Fourth Proportional to 12,217,590.30, 18,330,371.88 and 5,827,012.26
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Solution
The fourth proportional to 12,217,590.30, 18,330,371.88 and 5,827,012.26 is: 8,742,419.66
Step by Step Solution
- Step 1: Write the proportion equation
12,217,590.30 : 18,330,371.88 = 5,827,012.26 : x - Step 2: Convert to fraction form
12,217,590.30/18,330,371.88 = 5,827,012.26/x - Step 3: Cross multiply
12,217,590.30x = 18,330,371.88 × 5,827,012.26 - Step 4: Simplify right side
12,217,590.30x = 106,811,301,675,119.23 - Step 5: Solve for x
x = 106,811,301,675,119.23/12,217,590.30 - Step 6: Final answer
x = 8,742,419.66
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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.