Finding the Fourth Proportional to 19,872,692.54, 29,809,001.58 and 6,226,883.56
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Solution
The fourth proportional to 19,872,692.54, 29,809,001.58 and 6,226,883.56 is: 9,340,313.67
Step by Step Solution
- Step 1: Write the proportion equation
19,872,692.54 : 29,809,001.58 = 6,226,883.56 : x - Step 2: Convert to fraction form
19,872,692.54/29,809,001.58 = 6,226,883.56/x - Step 3: Cross multiply
19,872,692.54x = 29,809,001.58 × 6,226,883.56 - Step 4: Simplify right side
19,872,692.54x = 185,617,181,878,516 - Step 5: Solve for x
x = 185,617,181,878,516/19,872,692.54 - Step 6: Final answer
x = 9,340,313.67
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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.