Finding the Fourth Proportional to 22,278,312.10, 33,417,468.15 and 14,625,561.70
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Solution
The fourth proportional to 22,278,312.10, 33,417,468.15 and 14,625,561.70 is: 21,938,342.55
Step by Step Solution
- Step 1: Write the proportion equation
22,278,312.10 : 33,417,468.15 = 14,625,561.70 : x - Step 2: Convert to fraction form
22,278,312.10/33,417,468.15 = 14,625,561.70/x - Step 3: Cross multiply
22,278,312.10x = 33,417,468.15 × 14,625,561.70 - Step 4: Simplify right side
22,278,312.10x = 488,749,242,285,609.81 - Step 5: Solve for x
x = 488,749,242,285,609.81/22,278,312.10 - Step 6: Final answer
x = 21,938,342.55
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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.