Finding the Fourth Proportional to 7,670,422.16, 11,502,643.11 and 2,875,495.13
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Solution
The fourth proportional to 7,670,422.16, 11,502,643.11 and 2,875,495.13 is: 4,312,121.75
Step by Step Solution
- Step 1: Write the proportion equation
7,670,422.16 : 11,502,643.11 = 2,875,495.13 : x - Step 2: Convert to fraction form
7,670,422.16/11,502,643.11 = 2,875,495.13/x - Step 3: Cross multiply
7,670,422.16x = 11,502,643.11 × 2,875,495.13 - Step 4: Simplify right side
7,670,422.16x = 33,075,794,244,933.05 - Step 5: Solve for x
x = 33,075,794,244,933.05/7,670,422.16 - Step 6: Final answer
x = 4,312,121.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.