Finding the Fourth Proportional to 10,688,313.80, 16,032,470.70 and 3,115,526.60
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Solution
The fourth proportional to 10,688,313.80, 16,032,470.70 and 3,115,526.60 is: 4,673,289.90
Step by Step Solution
- Step 1: Write the proportion equation
10,688,313.80 : 16,032,470.70 = 3,115,526.60 : x - Step 2: Convert to fraction form
10,688,313.80/16,032,470.70 = 3,115,526.60/x - Step 3: Cross multiply
10,688,313.80x = 16,032,470.70 × 3,115,526.60 - Step 4: Simplify right side
10,688,313.80x = 49,949,588,929,570.62 - Step 5: Solve for x
x = 49,949,588,929,570.62/10,688,313.80 - Step 6: Final answer
x = 4,673,289.90
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1.5x scale
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.