Finding the Fourth Proportional to 34,935,890.58, 48,211,720.20 and 20,260,258.02
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Solution
The fourth proportional to 34,935,890.58, 48,211,720.20 and 20,260,258.02 is: 27,959,266.95
Step by Step Solution
- Step 1: Write the proportion equation
34,935,890.58 : 48,211,720.20 = 20,260,258.02 : x - Step 2: Convert to fraction form
34,935,890.58/48,211,720.20 = 20,260,258.02/x - Step 3: Cross multiply
34,935,890.58x = 48,211,720.20 × 20,260,258.02 - Step 4: Simplify right side
34,935,890.58x = 976,781,890,840,046 - Step 5: Solve for x
x = 976,781,890,840,046/34,935,890.58 - Step 6: Final answer
x = 27,959,266.95
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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.