Finding the Fourth Proportional to 47,838,058.05, 71,767,552.20 and 15,493,230.20
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Solution
The fourth proportional to 47,838,058.05, 71,767,552.20 and 15,493,230.20 is: 23,243,234.61
Step by Step Solution
- Step 1: Write the proportion equation
47,838,058.05 : 71,767,552.20 = 15,493,230.20 : x - Step 2: Convert to fraction form
47,838,058.05/71,767,552.20 = 15,493,230.20/x - Step 3: Cross multiply
47,838,058.05x = 71,767,552.20 × 15,493,230.20 - Step 4: Simplify right side
47,838,058.05x = 1,111,911,206,766,278.75 - Step 5: Solve for x
x = 1,111,911,206,766,278.75/47,838,058.05 - Step 6: Final answer
x = 23,243,234.61
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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.