Finding the Fourth Proportional to 13,506,916.04, 18,639,524.14 and 7,311,932.36
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Solution
The fourth proportional to 13,506,916.04, 18,639,524.14 and 7,311,932.36 is: 10,090,455.83
Step by Step Solution
- Step 1: Write the proportion equation
13,506,916.04 : 18,639,524.14 = 7,311,932.36 : x - Step 2: Convert to fraction form
13,506,916.04/18,639,524.14 = 7,311,932.36/x - Step 3: Cross multiply
13,506,916.04x = 18,639,524.14 × 7,311,932.36 - Step 4: Simplify right side
13,506,916.04x = 136,290,939,734,267.19 - Step 5: Solve for x
x = 136,290,939,734,267.19/13,506,916.04 - Step 6: Final answer
x = 10,090,455.83
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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.