Finding the Fourth Proportional to 19,675,006.20, 29,512,509.30 and 11,579,671.80
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Solution
The fourth proportional to 19,675,006.20, 29,512,509.30 and 11,579,671.80 is: 17,369,507.70
Step by Step Solution
- Step 1: Write the proportion equation
19,675,006.20 : 29,512,509.30 = 11,579,671.80 : x - Step 2: Convert to fraction form
19,675,006.20/29,512,509.30 = 11,579,671.80/x - Step 3: Cross multiply
19,675,006.20x = 29,512,509.30 × 11,579,671.80 - Step 4: Simplify right side
19,675,006.20x = 341,745,171,688,447.75 - Step 5: Solve for x
x = 341,745,171,688,447.75/19,675,006.20 - Step 6: Final answer
x = 17,369,507.70
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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.