Finding the Fourth Proportional to 10,537,628.79, 14,536,601.78 and 7,053,113.19
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Solution
The fourth proportional to 10,537,628.79, 14,536,601.78 and 7,053,113.19 is: 9,729,731.40
Step by Step Solution
- Step 1: Write the proportion equation
10,537,628.79 : 14,536,601.78 = 7,053,113.19 : x - Step 2: Convert to fraction form
10,537,628.79/14,536,601.78 = 7,053,113.19/x - Step 3: Cross multiply
10,537,628.79x = 14,536,601.78 × 7,053,113.19 - Step 4: Simplify right side
10,537,628.79x = 102,528,297,717,029.92 - Step 5: Solve for x
x = 102,528,297,717,029.92/10,537,628.79 - Step 6: Final answer
x = 9,729,731.40
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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.