Finding the Fourth Proportional to 10,918,368.47, 16,376,962.21 and 3,345,356.09
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Solution
The fourth proportional to 10,918,368.47, 16,376,962.21 and 3,345,356.09 is: 5,017,853.21
Step by Step Solution
- Step 1: Write the proportion equation
10,918,368.47 : 16,376,962.21 = 3,345,356.09 : x - Step 2: Convert to fraction form
10,918,368.47/16,376,962.21 = 3,345,356.09/x - Step 3: Cross multiply
10,918,368.47x = 16,376,962.21 × 3,345,356.09 - Step 4: Simplify right side
10,918,368.47x = 54,786,770,264,923.36 - Step 5: Solve for x
x = 54,786,770,264,923.36/10,918,368.47 - Step 6: Final answer
x = 5,017,853.21
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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.