Finding the Fourth Proportional to 8,696,686.23, 12,000,125.13 and 4,974,925.49
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Solution
The fourth proportional to 8,696,686.23, 12,000,125.13 and 4,974,925.49 is: 6,864,652.45
Step by Step Solution
- Step 1: Write the proportion equation
8,696,686.23 : 12,000,125.13 = 4,974,925.49 : x - Step 2: Convert to fraction form
8,696,686.23/12,000,125.13 = 4,974,925.49/x - Step 3: Cross multiply
8,696,686.23x = 12,000,125.13 × 4,974,925.49 - Step 4: Simplify right side
8,696,686.23x = 59,699,728,410,422.09 - Step 5: Solve for x
x = 59,699,728,410,422.09/8,696,686.23 - Step 6: Final answer
x = 6,864,652.45
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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.