Finding the Fourth Proportional to 18,357,833.80, 27,536,750.70 and 8,791,895.80
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Solution
The fourth proportional to 18,357,833.80, 27,536,750.70 and 8,791,895.80 is: 13,187,843.70
Step by Step Solution
- Step 1: Write the proportion equation
18,357,833.80 : 27,536,750.70 = 8,791,895.80 : x - Step 2: Convert to fraction form
18,357,833.80/27,536,750.70 = 8,791,895.80/x - Step 3: Cross multiply
18,357,833.80x = 27,536,750.70 × 8,791,895.80 - Step 4: Simplify right side
18,357,833.80x = 242,100,242,824,977.06 - Step 5: Solve for x
x = 242,100,242,824,977.06/18,357,833.80 - Step 6: Final answer
x = 13,187,843.70
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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.