Finding the Fourth Proportional to 29,288,428.12, 43,905,738.84 and 15,650,988.67
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Solution
The fourth proportional to 29,288,428.12, 43,905,738.84 and 15,650,988.67 is: 23,462,106.55
Step by Step Solution
- Step 1: Write the proportion equation
29,288,428.12 : 43,905,738.84 = 15,650,988.67 : x - Step 2: Convert to fraction form
29,288,428.12/43,905,738.84 = 15,650,988.67/x - Step 3: Cross multiply
29,288,428.12x = 43,905,738.84 × 15,650,988.67 - Step 4: Simplify right side
29,288,428.12x = 687,168,221,132,819 - Step 5: Solve for x
x = 687,168,221,132,819/29,288,428.12 - Step 6: Final answer
x = 23,462,106.55
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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.