Finding the Fourth Proportional to 12,101,701.80, 18,152,115.30 and 4,913,032.80
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Solution
The fourth proportional to 12,101,701.80, 18,152,115.30 and 4,913,032.80 is: 7,369,371.62
Step by Step Solution
- Step 1: Write the proportion equation
12,101,701.80 : 18,152,115.30 = 4,913,032.80 : x - Step 2: Convert to fraction form
12,101,701.80/18,152,115.30 = 4,913,032.80/x - Step 3: Cross multiply
12,101,701.80x = 18,152,115.30 × 4,913,032.80 - Step 4: Simplify right side
12,101,701.80x = 89,181,937,858,281.84 - Step 5: Solve for x
x = 89,181,937,858,281.84/12,101,701.80 - Step 6: Final answer
x = 7,369,371.62
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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.