Finding the Fourth Proportional to 10,988,553.60, 16,482,830.40 and 7,587,331.20
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Solution
The fourth proportional to 10,988,553.60, 16,482,830.40 and 7,587,331.20 is: 11,380,996.80
Step by Step Solution
- Step 1: Write the proportion equation
10,988,553.60 : 16,482,830.40 = 7,587,331.20 : x - Step 2: Convert to fraction form
10,988,553.60/16,482,830.40 = 7,587,331.20/x - Step 3: Cross multiply
10,988,553.60x = 16,482,830.40 × 7,587,331.20 - Step 4: Simplify right side
10,988,553.60x = 125,060,693,358,228.48 - Step 5: Solve for x
x = 125,060,693,358,228.48/10,988,553.60 - Step 6: Final answer
x = 11,380,996.80
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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.