Finding the Fourth Proportional to 19,416,616.70, 29,133,089.85 and 10,430,671.10
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Solution
The fourth proportional to 19,416,616.70, 29,133,089.85 and 10,430,671.10 is: 15,650,392.81
Step by Step Solution
- Step 1: Write the proportion equation
19,416,616.70 : 29,133,089.85 = 10,430,671.10 : x - Step 2: Convert to fraction form
19,416,616.70/29,133,089.85 = 10,430,671.10/x - Step 3: Cross multiply
19,416,616.70x = 29,133,089.85 × 10,430,671.10 - Step 4: Simplify right side
19,416,616.70x = 303,877,678,352,098.31 - Step 5: Solve for x
x = 303,877,678,352,098.31/19,416,616.70 - Step 6: Final answer
x = 15,650,392.81
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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.