Finding the Fourth Proportional to 10,272,218.19, 14,176,106.73 and 5,688,539.58
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Solution
The fourth proportional to 10,272,218.19, 14,176,106.73 and 5,688,539.58 is: 7,850,431.40
Step by Step Solution
- Step 1: Write the proportion equation
10,272,218.19 : 14,176,106.73 = 5,688,539.58 : x - Step 2: Convert to fraction form
10,272,218.19/14,176,106.73 = 5,688,539.58/x - Step 3: Cross multiply
10,272,218.19x = 14,176,106.73 × 5,688,539.58 - Step 4: Simplify right side
10,272,218.19x = 80,641,344,223,909.38 - Step 5: Solve for x
x = 80,641,344,223,909.38/10,272,218.19 - Step 6: Final answer
x = 7,850,431.40
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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.