Finding the Fourth Proportional to 38,645,889.60, 57,968,797.08 and 9,891,979.08
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Solution
The fourth proportional to 38,645,889.60, 57,968,797.08 and 9,891,979.08 is: 14,837,959.07
Step by Step Solution
- Step 1: Write the proportion equation
38,645,889.60 : 57,968,797.08 = 9,891,979.08 : x - Step 2: Convert to fraction form
38,645,889.60/57,968,797.08 = 9,891,979.08/x - Step 3: Cross multiply
38,645,889.60x = 57,968,797.08 × 9,891,979.08 - Step 4: Simplify right side
38,645,889.60x = 573,426,128,008,125.12 - Step 5: Solve for x
x = 573,426,128,008,125.12/38,645,889.60 - Step 6: Final answer
x = 14,837,959.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.