Finding the Fourth Proportional to 5,251,098.36, 7,199,258.16 and 5,155,443.84
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Solution
The fourth proportional to 5,251,098.36, 7,199,258.16 and 5,155,443.84 is: 7,068,115.77
Step by Step Solution
- Step 1: Write the proportion equation
5,251,098.36 : 7,199,258.16 = 5,155,443.84 : x - Step 2: Convert to fraction form
5,251,098.36/7,199,258.16 = 5,155,443.84/x - Step 3: Cross multiply
5,251,098.36x = 7,199,258.16 × 5,155,443.84 - Step 4: Simplify right side
5,251,098.36x = 37,115,371,133,541.73 - Step 5: Solve for x
x = 37,115,371,133,541.73/5,251,098.36 - Step 6: Final answer
x = 7,068,115.77
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.