Finding the Fourth Proportional to 21,442,603.80, 32,168,052.90 and 6,297,029.40
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Solution
The fourth proportional to 21,442,603.80, 32,168,052.90 and 6,297,029.40 is: 9,446,762.00
Step by Step Solution
- Step 1: Write the proportion equation
21,442,603.80 : 32,168,052.90 = 6,297,029.40 : x - Step 2: Convert to fraction form
21,442,603.80/32,168,052.90 = 6,297,029.40/x - Step 3: Cross multiply
21,442,603.80x = 32,168,052.90 × 6,297,029.40 - Step 4: Simplify right side
21,442,603.80x = 202,563,174,852,055.25 - Step 5: Solve for x
x = 202,563,174,852,055.25/21,442,603.80 - Step 6: Final answer
x = 9,446,762.00
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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.