Finding the Fourth Proportional to 34,390,761.12, 47,459,247.84 and 18,920,513.52
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Solution
The fourth proportional to 34,390,761.12, 47,459,247.84 and 18,920,513.52 is: 26,110,307.28
Step by Step Solution
- Step 1: Write the proportion equation
34,390,761.12 : 47,459,247.84 = 18,920,513.52 : x - Step 2: Convert to fraction form
34,390,761.12/47,459,247.84 = 18,920,513.52/x - Step 3: Cross multiply
34,390,761.12x = 47,459,247.84 × 18,920,513.52 - Step 4: Simplify right side
34,390,761.12x = 897,953,340,405,750.88 - Step 5: Solve for x
x = 897,953,340,405,750.88/34,390,761.12 - Step 6: Final answer
x = 26,110,307.28
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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.