Finding the Fourth Proportional to 13,363,257.44, 18,441,295.43 and 7,251,685.94
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Solution
The fourth proportional to 13,363,257.44, 18,441,295.43 and 7,251,685.94 is: 10,007,326.68
Step by Step Solution
- Step 1: Write the proportion equation
13,363,257.44 : 18,441,295.43 = 7,251,685.94 : x - Step 2: Convert to fraction form
13,363,257.44/18,441,295.43 = 7,251,685.94/x - Step 3: Cross multiply
13,363,257.44x = 18,441,295.43 × 7,251,685.94 - Step 4: Simplify right side
13,363,257.44x = 133,730,482,656,652.34 - Step 5: Solve for x
x = 133,730,482,656,652.34/13,363,257.44 - Step 6: Final answer
x = 10,007,326.68
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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.