Finding the Fourth Proportional to 7,792,709.68, 11,631,998.80 and 6,872,339.08
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Solution
The fourth proportional to 7,792,709.68, 11,631,998.80 and 6,872,339.08 is: 10,258,182.74
Step by Step Solution
- Step 1: Write the proportion equation
7,792,709.68 : 11,631,998.80 = 6,872,339.08 : x - Step 2: Convert to fraction form
7,792,709.68/11,631,998.80 = 6,872,339.08/x - Step 3: Cross multiply
7,792,709.68x = 11,631,998.80 × 6,872,339.08 - Step 4: Simplify right side
7,792,709.68x = 79,939,039,931,753.11 - Step 5: Solve for x
x = 79,939,039,931,753.11/7,792,709.68 - Step 6: Final answer
x = 10,258,182.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.