Finding the Fourth Proportional to 26,387,423.12, 36,414,618.54 and 14,785,069.80
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Solution
The fourth proportional to 26,387,423.12, 36,414,618.54 and 14,785,069.80 is: 20,403,382.11
Step by Step Solution
- Step 1: Write the proportion equation
26,387,423.12 : 36,414,618.54 = 14,785,069.80 : x - Step 2: Convert to fraction form
26,387,423.12/36,414,618.54 = 14,785,069.80/x - Step 3: Cross multiply
26,387,423.12x = 36,414,618.54 × 14,785,069.80 - Step 4: Simplify right side
26,387,423.12x = 538,392,676,854,274.12 - Step 5: Solve for x
x = 538,392,676,854,274.12/26,387,423.12 - Step 6: Final answer
x = 20,403,382.11
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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.