Finding the Fourth Proportional to 19,888,337.12, 29,832,420.48 and 5,511,363.68
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Solution
The fourth proportional to 19,888,337.12, 29,832,420.48 and 5,511,363.68 is: 8,267,021.91
Step by Step Solution
- Step 1: Write the proportion equation
19,888,337.12 : 29,832,420.48 = 5,511,363.68 : x - Step 2: Convert to fraction form
19,888,337.12/29,832,420.48 = 5,511,363.68/x - Step 3: Cross multiply
19,888,337.12x = 29,832,420.48 × 5,511,363.68 - Step 4: Simplify right side
19,888,337.12x = 164,417,318,719,960.16 - Step 5: Solve for x
x = 164,417,318,719,960.16/19,888,337.12 - Step 6: Final answer
x = 8,267,021.91
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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.