Finding the Fourth Proportional to 19,529,875.95, 29,296,411.35 and 9,809,490.80
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Solution
The fourth proportional to 19,529,875.95, 29,296,411.35 and 9,809,490.80 is: 14,715,038.55
Step by Step Solution
- Step 1: Write the proportion equation
19,529,875.95 : 29,296,411.35 = 9,809,490.80 : x - Step 2: Convert to fraction form
19,529,875.95/29,296,411.35 = 9,809,490.80/x - Step 3: Cross multiply
19,529,875.95x = 29,296,411.35 × 9,809,490.80 - Step 4: Simplify right side
19,529,875.95x = 287,382,877,633,890 - Step 5: Solve for x
x = 287,382,877,633,890/19,529,875.95 - Step 6: Final answer
x = 14,715,038.55
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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.