Finding the Fourth Proportional to 7,018,148.79, 10,512,537.74 and 5,644,498.35
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Solution
The fourth proportional to 7,018,148.79, 10,512,537.74 and 5,644,498.35 is: 8,454,936.43
Step by Step Solution
- Step 1: Write the proportion equation
7,018,148.79 : 10,512,537.74 = 5,644,498.35 : x - Step 2: Convert to fraction form
7,018,148.79/10,512,537.74 = 5,644,498.35/x - Step 3: Cross multiply
7,018,148.79x = 10,512,537.74 × 5,644,498.35 - Step 4: Simplify right side
7,018,148.79x = 59,338,001,899,520.23 - Step 5: Solve for x
x = 59,338,001,899,520.23/7,018,148.79 - Step 6: Final answer
x = 8,454,936.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.