Finding the Fourth Proportional to 11,469,356.09, 15,827,840.79 and 6,242,397.71
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Solution
The fourth proportional to 11,469,356.09, 15,827,840.79 and 6,242,397.71 is: 8,614,579.27
Step by Step Solution
- Step 1: Write the proportion equation
11,469,356.09 : 15,827,840.79 = 6,242,397.71 : x - Step 2: Convert to fraction form
11,469,356.09/15,827,840.79 = 6,242,397.71/x - Step 3: Cross multiply
11,469,356.09x = 15,827,840.79 × 6,242,397.71 - Step 4: Simplify right side
11,469,356.09x = 98,803,677,167,853.30 - Step 5: Solve for x
x = 98,803,677,167,853.30/11,469,356.09 - Step 6: Final answer
x = 8,614,579.27
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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.