Finding the Fourth Proportional to 15,366,663.08, 21,207,203.89 and 8,751,531.26
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Solution
The fourth proportional to 15,366,663.08, 21,207,203.89 and 8,751,531.26 is: 12,077,801.59
Step by Step Solution
- Step 1: Write the proportion equation
15,366,663.08 : 21,207,203.89 = 8,751,531.26 : x - Step 2: Convert to fraction form
15,366,663.08/21,207,203.89 = 8,751,531.26/x - Step 3: Cross multiply
15,366,663.08x = 21,207,203.89 × 8,751,531.26 - Step 4: Simplify right side
15,366,663.08x = 185,595,507,783,726.59 - Step 5: Solve for x
x = 185,595,507,783,726.59/15,366,663.08 - Step 6: Final answer
x = 12,077,801.59
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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.