Finding the Fourth Proportional to 19,408,832.80, 29,109,166.80 and 9,815,192.80
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Solution
The fourth proportional to 19,408,832.80, 29,109,166.80 and 9,815,192.80 is: 14,720,724.70
Step by Step Solution
- Step 1: Write the proportion equation
19,408,832.80 : 29,109,166.80 = 9,815,192.80 : x - Step 2: Convert to fraction form
19,408,832.80/29,109,166.80 = 9,815,192.80/x - Step 3: Cross multiply
19,408,832.80x = 29,109,166.80 × 9,815,192.80 - Step 4: Simplify right side
19,408,832.80x = 285,712,084,389,359.06 - Step 5: Solve for x
x = 285,712,084,389,359.06/19,408,832.80 - Step 6: Final answer
x = 14,720,724.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.