Finding the Fourth Proportional to 16,519,379.00, 24,779,556.95 and 7,884,389.21
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Solution
The fourth proportional to 16,519,379.00, 24,779,556.95 and 7,884,389.21 is: 11,826,816.94
Step by Step Solution
- Step 1: Write the proportion equation
16,519,379.00 : 24,779,556.95 = 7,884,389.21 : x - Step 2: Convert to fraction form
16,519,379.00/24,779,556.95 = 7,884,389.21/x - Step 3: Cross multiply
16,519,379.00x = 24,779,556.95 × 7,884,389.21 - Step 4: Simplify right side
16,519,379.00x = 195,371,671,281,840.78 - Step 5: Solve for x
x = 195,371,671,281,840.78/16,519,379.00 - Step 6: Final answer
x = 11,826,816.94
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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.