Finding the Fourth Proportional to 7,388,685.23, 10,190,774.57 and 6,357,920.36
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Solution
The fourth proportional to 7,388,685.23, 10,190,774.57 and 6,357,920.36 is: 8,769,101.82
Step by Step Solution
- Step 1: Write the proportion equation
7,388,685.23 : 10,190,774.57 = 6,357,920.36 : x - Step 2: Convert to fraction form
7,388,685.23/10,190,774.57 = 6,357,920.36/x - Step 3: Cross multiply
7,388,685.23x = 10,190,774.57 × 6,357,920.36 - Step 4: Simplify right side
7,388,685.23x = 64,792,133,040,029.77 - Step 5: Solve for x
x = 64,792,133,040,029.77/7,388,685.23 - Step 6: Final answer
x = 8,769,101.82
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1.5x scale
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.