Finding the Fourth Proportional to 35,369,555.18, 48,809,485.85 and 19,899,602.91
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Solution
The fourth proportional to 35,369,555.18, 48,809,485.85 and 19,899,602.91 is: 27,461,170.54
Step by Step Solution
- Step 1: Write the proportion equation
35,369,555.18 : 48,809,485.85 = 19,899,602.91 : x - Step 2: Convert to fraction form
35,369,555.18/48,809,485.85 = 19,899,602.91/x - Step 3: Cross multiply
35,369,555.18x = 48,809,485.85 × 19,899,602.91 - Step 4: Simplify right side
35,369,555.18x = 971,289,386,556,765.75 - Step 5: Solve for x
x = 971,289,386,556,765.75/35,369,555.18 - Step 6: Final answer
x = 27,461,170.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.