Finding the Fourth Proportional to 16,855,775.74, 25,274,006.30 and 5,181,106.84
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Solution
The fourth proportional to 16,855,775.74, 25,274,006.30 and 5,181,106.84 is: 7,768,691.81
Step by Step Solution
- Step 1: Write the proportion equation
16,855,775.74 : 25,274,006.30 = 5,181,106.84 : x - Step 2: Convert to fraction form
16,855,775.74/25,274,006.30 = 5,181,106.84/x - Step 3: Cross multiply
16,855,775.74x = 25,274,006.30 × 5,181,106.84 - Step 4: Simplify right side
16,855,775.74x = 130,947,326,915,133.09 - Step 5: Solve for x
x = 130,947,326,915,133.09/16,855,775.74 - Step 6: Final answer
x = 7,768,691.81
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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.