Finding the Fourth Proportional to 12,627,545.99, 18,935,430.48 and 6,560,646.66
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Solution
The fourth proportional to 12,627,545.99, 18,935,430.48 and 6,560,646.66 is: 9,837,910.62
Step by Step Solution
- Step 1: Write the proportion equation
12,627,545.99 : 18,935,430.48 = 6,560,646.66 : x - Step 2: Convert to fraction form
12,627,545.99/18,935,430.48 = 6,560,646.66/x - Step 3: Cross multiply
12,627,545.99x = 18,935,430.48 × 6,560,646.66 - Step 4: Simplify right side
12,627,545.99x = 124,228,668,734,274.20 - Step 5: Solve for x
x = 124,228,668,734,274.20/12,627,545.99 - Step 6: Final answer
x = 9,837,910.62
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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.