Finding the Fourth Proportional to 19,490,684.48, 29,235,947.20 and 4,917,638.08
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Solution
The fourth proportional to 19,490,684.48, 29,235,947.20 and 4,917,638.08 is: 7,376,437.06
Step by Step Solution
- Step 1: Write the proportion equation
19,490,684.48 : 29,235,947.20 = 4,917,638.08 : x - Step 2: Convert to fraction form
19,490,684.48/29,235,947.20 = 4,917,638.08/x - Step 3: Cross multiply
19,490,684.48x = 29,235,947.20 × 4,917,638.08 - Step 4: Simplify right side
19,490,684.48x = 143,771,807,255,589.38 - Step 5: Solve for x
x = 143,771,807,255,589.38/19,490,684.48 - Step 6: Final answer
x = 7,376,437.06
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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.