Finding the Fourth Proportional to 15,800,461.36, 21,804,636.68 and 8,557,117.36
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Solution
The fourth proportional to 15,800,461.36, 21,804,636.68 and 8,557,117.36 is: 11,808,821.96
Step by Step Solution
- Step 1: Write the proportion equation
15,800,461.36 : 21,804,636.68 = 8,557,117.36 : x - Step 2: Convert to fraction form
15,800,461.36/21,804,636.68 = 8,557,117.36/x - Step 3: Cross multiply
15,800,461.36x = 21,804,636.68 × 8,557,117.36 - Step 4: Simplify right side
15,800,461.36x = 186,584,835,062,920.75 - Step 5: Solve for x
x = 186,584,835,062,920.75/15,800,461.36 - Step 6: Final answer
x = 11,808,821.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.