Finding the Fourth Proportional to 29,935,643.40, 44,903,465.10 and 19,173,963.15
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Solution
The fourth proportional to 29,935,643.40, 44,903,465.10 and 19,173,963.15 is: 28,760,944.73
Step by Step Solution
- Step 1: Write the proportion equation
29,935,643.40 : 44,903,465.10 = 19,173,963.15 : x - Step 2: Convert to fraction form
29,935,643.40/44,903,465.10 = 19,173,963.15/x - Step 3: Cross multiply
29,935,643.40x = 44,903,465.10 × 19,173,963.15 - Step 4: Simplify right side
29,935,643.40x = 860,977,385,134,711 - Step 5: Solve for x
x = 860,977,385,134,711/29,935,643.40 - Step 6: Final answer
x = 28,760,944.73
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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.