Finding the Fourth Proportional to 19,413,007.80, 29,130,009.30 and 8,054,604.60
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Solution
The fourth proportional to 19,413,007.80, 29,130,009.30 and 8,054,604.60 is: 12,086,262.43
Step by Step Solution
- Step 1: Write the proportion equation
19,413,007.80 : 29,130,009.30 = 8,054,604.60 : x - Step 2: Convert to fraction form
19,413,007.80/29,130,009.30 = 8,054,604.60/x - Step 3: Cross multiply
19,413,007.80x = 29,130,009.30 × 8,054,604.60 - Step 4: Simplify right side
19,413,007.80x = 234,630,706,905,822.78 - Step 5: Solve for x
x = 234,630,706,905,822.78/19,413,007.80 - Step 6: Final answer
x = 12,086,262.43
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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.