Finding the Fourth Proportional to 40,911,865.31, 56,459,571.09 and 22,328,197.39
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Solution
The fourth proportional to 40,911,865.31, 56,459,571.09 and 22,328,197.39 is: 30,813,565.65
Step by Step Solution
- Step 1: Write the proportion equation
40,911,865.31 : 56,459,571.09 = 22,328,197.39 : x - Step 2: Convert to fraction form
40,911,865.31/56,459,571.09 = 22,328,197.39/x - Step 3: Cross multiply
40,911,865.31x = 56,459,571.09 × 22,328,197.39 - Step 4: Simplify right side
40,911,865.31x = 1,260,640,447,569,959.75 - Step 5: Solve for x
x = 1,260,640,447,569,959.75/40,911,865.31 - Step 6: Final answer
x = 30,813,565.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.