Finding the Fourth Proportional to 10,974,478.77, 15,145,710.68 and 6,081,235.76
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Solution
The fourth proportional to 10,974,478.77, 15,145,710.68 and 6,081,235.76 is: 8,392,620.68
Step by Step Solution
- Step 1: Write the proportion equation
10,974,478.77 : 15,145,710.68 = 6,081,235.76 : x - Step 2: Convert to fraction form
10,974,478.77/15,145,710.68 = 6,081,235.76/x - Step 3: Cross multiply
10,974,478.77x = 15,145,710.68 × 6,081,235.76 - Step 4: Simplify right side
10,974,478.77x = 92,104,637,450,897.28 - Step 5: Solve for x
x = 92,104,637,450,897.28/10,974,478.77 - Step 6: Final answer
x = 8,392,620.68
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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.