Finding the Fourth Proportional to 12,329,412.84, 18,418,516.74 and 8,888,332.35
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Solution
The fourth proportional to 12,329,412.84, 18,418,516.74 and 8,888,332.35 is: 13,277,996.31
Step by Step Solution
- Step 1: Write the proportion equation
12,329,412.84 : 18,418,516.74 = 8,888,332.35 : x - Step 2: Convert to fraction form
12,329,412.84/18,418,516.74 = 8,888,332.35/x - Step 3: Cross multiply
12,329,412.84x = 18,418,516.74 × 8,888,332.35 - Step 4: Simplify right side
12,329,412.84x = 163,709,898,179,158.53 - Step 5: Solve for x
x = 163,709,898,179,158.53/12,329,412.84 - Step 6: Final answer
x = 13,277,996.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.