Finding the Fourth Proportional to 10,306,150.80, 15,455,289.60 and 3,115,294.80
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Solution
The fourth proportional to 10,306,150.80, 15,455,289.60 and 3,115,294.80 is: 4,671,752.26
Step by Step Solution
- Step 1: Write the proportion equation
10,306,150.80 : 15,455,289.60 = 3,115,294.80 : x - Step 2: Convert to fraction form
10,306,150.80/15,455,289.60 = 3,115,294.80/x - Step 3: Cross multiply
10,306,150.80x = 15,455,289.60 × 3,115,294.80 - Step 4: Simplify right side
10,306,150.80x = 48,147,783,323,374.08 - Step 5: Solve for x
x = 48,147,783,323,374.08/10,306,150.80 - Step 6: Final answer
x = 4,671,752.26
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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.