Finding the Fourth Proportional to 29,018,059.97, 40,045,240.58 and 15,787,312.10
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Solution
The fourth proportional to 29,018,059.97, 40,045,240.58 and 15,787,312.10 is: 21,786,663.61
Step by Step Solution
- Step 1: Write the proportion equation
29,018,059.97 : 40,045,240.58 = 15,787,312.10 : x - Step 2: Convert to fraction form
29,018,059.97/40,045,240.58 = 15,787,312.10/x - Step 3: Cross multiply
29,018,059.97x = 40,045,240.58 × 15,787,312.10 - Step 4: Simplify right side
29,018,059.97x = 632,206,710,983,657.88 - Step 5: Solve for x
x = 632,206,710,983,657.88/29,018,059.97 - Step 6: Final answer
x = 21,786,663.61
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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.