Finding the Fourth Proportional to 13,326,516.74, 19,987,247.07 and 6,496,220.50
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Solution
The fourth proportional to 13,326,516.74, 19,987,247.07 and 6,496,220.50 is: 9,743,098.41
Step by Step Solution
- Step 1: Write the proportion equation
13,326,516.74 : 19,987,247.07 = 6,496,220.50 : x - Step 2: Convert to fraction form
13,326,516.74/19,987,247.07 = 6,496,220.50/x - Step 3: Cross multiply
13,326,516.74x = 19,987,247.07 × 6,496,220.50 - Step 4: Simplify right side
13,326,516.74x = 129,841,564,104,730.81 - Step 5: Solve for x
x = 129,841,564,104,730.81/13,326,516.74 - Step 6: Final answer
x = 9,743,098.41
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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.