Finding the Fourth Proportional to 40,979,955.66, 56,553,479.55 and 22,646,422.14
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Solution
The fourth proportional to 40,979,955.66, 56,553,479.55 and 22,646,422.14 is: 31,252,692.95
Step by Step Solution
- Step 1: Write the proportion equation
40,979,955.66 : 56,553,479.55 = 22,646,422.14 : x - Step 2: Convert to fraction form
40,979,955.66/56,553,479.55 = 22,646,422.14/x - Step 3: Cross multiply
40,979,955.66x = 56,553,479.55 × 22,646,422.14 - Step 4: Simplify right side
40,979,955.66x = 1,280,733,971,375,157.25 - Step 5: Solve for x
x = 1,280,733,971,375,157.25/40,979,955.66 - Step 6: Final answer
x = 31,252,692.95
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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.