Finding the Fourth Proportional to 7,292,154.42, 10,063,278.72 and 4,029,044.28
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Solution
The fourth proportional to 7,292,154.42, 10,063,278.72 and 4,029,044.28 is: 5,560,139.46
Step by Step Solution
- Step 1: Write the proportion equation
7,292,154.42 : 10,063,278.72 = 4,029,044.28 : x - Step 2: Convert to fraction form
7,292,154.42/10,063,278.72 = 4,029,044.28/x - Step 3: Cross multiply
7,292,154.42x = 10,063,278.72 × 4,029,044.28 - Step 4: Simplify right side
7,292,154.42x = 40,545,395,564,861.72 - Step 5: Solve for x
x = 40,545,395,564,861.72/7,292,154.42 - Step 6: Final answer
x = 5,560,139.46
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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.