Finding the Fourth Proportional to 11,454,661.30, 15,807,495.09 and 6,745,262.26
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Solution
The fourth proportional to 11,454,661.30, 15,807,495.09 and 6,745,262.26 is: 9,308,498.72
Step by Step Solution
- Step 1: Write the proportion equation
11,454,661.30 : 15,807,495.09 = 6,745,262.26 : x - Step 2: Convert to fraction form
11,454,661.30/15,807,495.09 = 6,745,262.26/x - Step 3: Cross multiply
11,454,661.30x = 15,807,495.09 × 6,745,262.26 - Step 4: Simplify right side
11,454,661.30x = 106,625,700,055,712.30 - Step 5: Solve for x
x = 106,625,700,055,712.30/11,454,661.30 - Step 6: Final answer
x = 9,308,498.72
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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.