Finding the Fourth Proportional to 19,960,320.80, 29,898,490.80 and 16,601,088.80
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Solution
The fourth proportional to 19,960,320.80, 29,898,490.80 and 16,601,088.80 is: 24,866,709.60
Step by Step Solution
- Step 1: Write the proportion equation
19,960,320.80 : 29,898,490.80 = 16,601,088.80 : x - Step 2: Convert to fraction form
19,960,320.80/29,898,490.80 = 16,601,088.80/x - Step 3: Cross multiply
19,960,320.80x = 29,898,490.80 × 16,601,088.80 - Step 4: Simplify right side
19,960,320.80x = 496,347,500,756,783.06 - Step 5: Solve for x
x = 496,347,500,756,783.06/19,960,320.80 - Step 6: Final answer
x = 24,866,709.60
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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.