Finding the Fourth Proportional to 16,021,763.06, 22,109,942.12 and 8,679,739.19
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Solution
The fourth proportional to 16,021,763.06, 22,109,942.12 and 8,679,739.19 is: 11,977,990.83
Step by Step Solution
- Step 1: Write the proportion equation
16,021,763.06 : 22,109,942.12 = 8,679,739.19 : x - Step 2: Convert to fraction form
16,021,763.06/22,109,942.12 = 8,679,739.19/x - Step 3: Cross multiply
16,021,763.06x = 22,109,942.12 × 8,679,739.19 - Step 4: Simplify right side
16,021,763.06x = 191,908,530,953,647.28 - Step 5: Solve for x
x = 191,908,530,953,647.28/16,021,763.06 - Step 6: Final answer
x = 11,977,990.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.