Finding the Fourth Proportional to 7,792,746.42, 11,676,341.06 and 5,507,107.25
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Solution
The fourth proportional to 7,792,746.42, 11,676,341.06 and 5,507,107.25 is: 8,251,630.31
Step by Step Solution
- Step 1: Write the proportion equation
7,792,746.42 : 11,676,341.06 = 5,507,107.25 : x - Step 2: Convert to fraction form
7,792,746.42/11,676,341.06 = 5,507,107.25/x - Step 3: Cross multiply
7,792,746.42x = 11,676,341.06 × 5,507,107.25 - Step 4: Simplify right side
7,792,746.42x = 64,302,862,538,252.23 - Step 5: Solve for x
x = 64,302,862,538,252.23/7,792,746.42 - Step 6: Final answer
x = 8,251,630.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.