Finding the Fourth Proportional to 10,869,812.06, 14,994,075.98 and 6,788,345.18
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Solution
The fourth proportional to 10,869,812.06, 14,994,075.98 and 6,788,345.18 is: 9,364,003.98
Step by Step Solution
- Step 1: Write the proportion equation
10,869,812.06 : 14,994,075.98 = 6,788,345.18 : x - Step 2: Convert to fraction form
10,869,812.06/14,994,075.98 = 6,788,345.18/x - Step 3: Cross multiply
10,869,812.06x = 14,994,075.98 × 6,788,345.18 - Step 4: Simplify right side
10,869,812.06x = 101,784,963,407,386.78 - Step 5: Solve for x
x = 101,784,963,407,386.78/10,869,812.06 - Step 6: Final answer
x = 9,364,003.98
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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.