Finding the Fourth Proportional to 22,278,319.60, 33,417,479.40 and 14,625,569.20
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Solution
The fourth proportional to 22,278,319.60, 33,417,479.40 and 14,625,569.20 is: 21,938,353.80
Step by Step Solution
- Step 1: Write the proportion equation
22,278,319.60 : 33,417,479.40 = 14,625,569.20 : x - Step 2: Convert to fraction form
22,278,319.60/33,417,479.40 = 14,625,569.20/x - Step 3: Cross multiply
22,278,319.60x = 33,417,479.40 × 14,625,569.20 - Step 4: Simplify right side
22,278,319.60x = 488,749,657,454,274.44 - Step 5: Solve for x
x = 488,749,657,454,274.44/22,278,319.60 - Step 6: Final answer
x = 21,938,353.80
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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.