Finding the Fourth Proportional to 11,293,054.96, 15,584,386.32 and 6,136,417.12
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Solution
The fourth proportional to 11,293,054.96, 15,584,386.32 and 6,136,417.12 is: 8,468,239.58
Step by Step Solution
- Step 1: Write the proportion equation
11,293,054.96 : 15,584,386.32 = 6,136,417.12 : x - Step 2: Convert to fraction form
11,293,054.96/15,584,386.32 = 6,136,417.12/x - Step 3: Cross multiply
11,293,054.96x = 15,584,386.32 × 6,136,417.12 - Step 4: Simplify right side
11,293,054.96x = 95,632,295,018,741.80 - Step 5: Solve for x
x = 95,632,295,018,741.80/11,293,054.96 - Step 6: Final answer
x = 8,468,239.58
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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.