Finding the Fourth Proportional to 30,804,918.70, 46,207,378.05 and 8,088,112.30
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Solution
The fourth proportional to 30,804,918.70, 46,207,378.05 and 8,088,112.30 is: 12,132,168.45
Step by Step Solution
- Step 1: Write the proportion equation
30,804,918.70 : 46,207,378.05 = 8,088,112.30 : x - Step 2: Convert to fraction form
30,804,918.70/46,207,378.05 = 8,088,112.30/x - Step 3: Cross multiply
30,804,918.70x = 46,207,378.05 × 8,088,112.30 - Step 4: Simplify right side
30,804,918.70x = 373,730,462,756,955 - Step 5: Solve for x
x = 373,730,462,756,955/30,804,918.70 - Step 6: Final answer
x = 12,132,168.45
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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.