Finding the Fourth Proportional to 10,911,420.58, 15,057,640.38 and 6,017,072.80
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Solution
The fourth proportional to 10,911,420.58, 15,057,640.38 and 6,017,072.80 is: 8,303,494.28
Step by Step Solution
- Step 1: Write the proportion equation
10,911,420.58 : 15,057,640.38 = 6,017,072.80 : x - Step 2: Convert to fraction form
10,911,420.58/15,057,640.38 = 6,017,072.80/x - Step 3: Cross multiply
10,911,420.58x = 15,057,640.38 × 6,017,072.80 - Step 4: Simplify right side
10,911,420.58x = 90,602,918,362,679.67 - Step 5: Solve for x
x = 90,602,918,362,679.67/10,911,420.58 - Step 6: Final answer
x = 8,303,494.28
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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.