Finding the Fourth Proportional to 19,420,747.85, 26,798,723.98 and 10,718,358.62
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Solution
The fourth proportional to 19,420,747.85, 26,798,723.98 and 10,718,358.62 is: 14,790,281.83
Step by Step Solution
- Step 1: Write the proportion equation
19,420,747.85 : 26,798,723.98 = 10,718,358.62 : x - Step 2: Convert to fraction form
19,420,747.85/26,798,723.98 = 10,718,358.62/x - Step 3: Cross multiply
19,420,747.85x = 26,798,723.98 × 10,718,358.62 - Step 4: Simplify right side
19,420,747.85x = 287,238,334,015,244.19 - Step 5: Solve for x
x = 287,238,334,015,244.19/19,420,747.85 - Step 6: Final answer
x = 14,790,281.83
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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.