Finding the Fourth Proportional to 47,115,296.10, 70,674,518.79 and 13,033,787.94
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Solution
The fourth proportional to 47,115,296.10, 70,674,518.79 and 13,033,787.94 is: 19,551,117.51
Step by Step Solution
- Step 1: Write the proportion equation
47,115,296.10 : 70,674,518.79 = 13,033,787.94 : x - Step 2: Convert to fraction form
47,115,296.10/70,674,518.79 = 13,033,787.94/x - Step 3: Cross multiply
47,115,296.10x = 70,674,518.79 × 13,033,787.94 - Step 4: Simplify right side
47,115,296.10x = 921,156,690,670,405.50 - Step 5: Solve for x
x = 921,156,690,670,405.50/47,115,296.10 - Step 6: Final answer
x = 19,551,117.51
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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.