Finding the Fourth Proportional to 19,516,235.70, 29,253,358.35 and 7,381,010.10
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Solution
The fourth proportional to 19,516,235.70, 29,253,358.35 and 7,381,010.10 is: 11,063,574.80
Step by Step Solution
- Step 1: Write the proportion equation
19,516,235.70 : 29,253,358.35 = 7,381,010.10 : x - Step 2: Convert to fraction form
19,516,235.70/29,253,358.35 = 7,381,010.10/x - Step 3: Cross multiply
19,516,235.70x = 29,253,358.35 × 7,381,010.10 - Step 4: Simplify right side
19,516,235.70x = 215,919,333,440,269.34 - Step 5: Solve for x
x = 215,919,333,440,269.34/19,516,235.70 - Step 6: Final answer
x = 11,063,574.80
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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.