Finding the Fourth Proportional to 11,657,355.30, 17,473,202.55 and 4,080,420.90
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Solution
The fourth proportional to 11,657,355.30, 17,473,202.55 and 4,080,420.90 is: 6,116,140.33
Step by Step Solution
- Step 1: Write the proportion equation
11,657,355.30 : 17,473,202.55 = 4,080,420.90 : x - Step 2: Convert to fraction form
11,657,355.30/17,473,202.55 = 4,080,420.90/x - Step 3: Cross multiply
11,657,355.30x = 17,473,202.55 × 4,080,420.90 - Step 4: Simplify right side
11,657,355.30x = 71,298,020,874,953.30 - Step 5: Solve for x
x = 71,298,020,874,953.30/11,657,355.30 - Step 6: Final answer
x = 6,116,140.33
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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.