Finding the Fourth Proportional to 40,911,860.97, 56,459,565.09 and 22,328,193.05
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Solution
The fourth proportional to 40,911,860.97, 56,459,565.09 and 22,328,193.05 is: 30,813,559.65
Step by Step Solution
- Step 1: Write the proportion equation
40,911,860.97 : 56,459,565.09 = 22,328,193.05 : x - Step 2: Convert to fraction form
40,911,860.97/56,459,565.09 = 22,328,193.05/x - Step 3: Cross multiply
40,911,860.97x = 56,459,565.09 × 22,328,193.05 - Step 4: Simplify right side
40,911,860.97x = 1,260,640,068,566,263 - Step 5: Solve for x
x = 1,260,640,068,566,263/40,911,860.97 - Step 6: Final answer
x = 30,813,559.65
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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.