Finding the Fourth Proportional to 13,878,403.98, 19,152,202.13 and 7,599,328.44
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Solution
The fourth proportional to 13,878,403.98, 19,152,202.13 and 7,599,328.44 is: 10,487,075.78
Step by Step Solution
- Step 1: Write the proportion equation
13,878,403.98 : 19,152,202.13 = 7,599,328.44 : x - Step 2: Convert to fraction form
13,878,403.98/19,152,202.13 = 7,599,328.44/x - Step 3: Cross multiply
13,878,403.98x = 19,152,202.13 × 7,599,328.44 - Step 4: Simplify right side
13,878,403.98x = 145,543,874,297,140.94 - Step 5: Solve for x
x = 145,543,874,297,140.94/13,878,403.98 - Step 6: Final answer
x = 10,487,075.78
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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.