Finding the Fourth Proportional to 10,560,553.78, 15,847,494.51 and 4,495,275.61
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Solution
The fourth proportional to 10,560,553.78, 15,847,494.51 and 4,495,275.61 is: 6,745,749.99
Step by Step Solution
- Step 1: Write the proportion equation
10,560,553.78 : 15,847,494.51 = 4,495,275.61 : x - Step 2: Convert to fraction form
10,560,553.78/15,847,494.51 = 4,495,275.61/x - Step 3: Cross multiply
10,560,553.78x = 15,847,494.51 × 4,495,275.61 - Step 4: Simplify right side
10,560,553.78x = 71,238,855,550,411.91 - Step 5: Solve for x
x = 71,238,855,550,411.91/10,560,553.78 - Step 6: Final answer
x = 6,745,749.99
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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.