Finding the Fourth Proportional to 7,794,389.19, 11,609,394.21 and 7,444,671.57
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Solution
The fourth proportional to 7,794,389.19, 11,609,394.21 and 7,444,671.57 is: 11,088,505.45
Step by Step Solution
- Step 1: Write the proportion equation
7,794,389.19 : 11,609,394.21 = 7,444,671.57 : x - Step 2: Convert to fraction form
7,794,389.19/11,609,394.21 = 7,444,671.57/x - Step 3: Cross multiply
7,794,389.19x = 11,609,394.21 × 7,444,671.57 - Step 4: Simplify right side
7,794,389.19x = 86,428,127,020,109.62 - Step 5: Solve for x
x = 86,428,127,020,109.62/7,794,389.19 - Step 6: Final answer
x = 11,088,505.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.