Finding the Fourth Proportional to 47,646,142.76, 71,434,371.18 and 15,279,621.68
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Solution
The fourth proportional to 47,646,142.76, 71,434,371.18 and 15,279,621.68 is: 22,908,258.75
Step by Step Solution
- Step 1: Write the proportion equation
47,646,142.76 : 71,434,371.18 = 15,279,621.68 : x - Step 2: Convert to fraction form
47,646,142.76/71,434,371.18 = 15,279,621.68/x - Step 3: Cross multiply
47,646,142.76x = 71,434,371.18 × 15,279,621.68 - Step 4: Simplify right side
47,646,142.76x = 1,091,490,166,579,095.25 - Step 5: Solve for x
x = 1,091,490,166,579,095.25/47,646,142.76 - Step 6: Final answer
x = 22,908,258.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.