Finding the Fourth Proportional to 26,313,821.66, 36,311,230.45 and 15,299,789.98
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Solution
The fourth proportional to 26,313,821.66, 36,311,230.45 and 15,299,789.98 is: 21,112,638.33
Step by Step Solution
- Step 1: Write the proportion equation
26,313,821.66 : 36,311,230.45 = 15,299,789.98 : x - Step 2: Convert to fraction form
26,313,821.66/36,311,230.45 = 15,299,789.98/x - Step 3: Cross multiply
26,313,821.66x = 36,311,230.45 × 15,299,789.98 - Step 4: Simplify right side
26,313,821.66x = 555,554,199,839,834.06 - Step 5: Solve for x
x = 555,554,199,839,834.06/26,313,821.66 - Step 6: Final answer
x = 21,112,638.33
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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.