Finding the Fourth Proportional to 40,832,761.84, 56,348,501.85 and 22,248,054.70
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Solution
The fourth proportional to 40,832,761.84, 56,348,501.85 and 22,248,054.70 is: 30,701,928.91
Step by Step Solution
- Step 1: Write the proportion equation
40,832,761.84 : 56,348,501.85 = 22,248,054.70 : x - Step 2: Convert to fraction form
40,832,761.84/56,348,501.85 = 22,248,054.70/x - Step 3: Cross multiply
40,832,761.84x = 56,348,501.85 × 22,248,054.70 - Step 4: Simplify right side
40,832,761.84x = 1,253,644,551,280,980 - Step 5: Solve for x
x = 1,253,644,551,280,980/40,832,761.84 - Step 6: Final answer
x = 30,701,928.91
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1.5x scale
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.