Finding the Fourth Proportional to 17,950,862.30, 26,921,389.07 and 6,434,182.98
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Solution
The fourth proportional to 17,950,862.30, 26,921,389.07 and 6,434,182.98 is: 9,649,516.58
Step by Step Solution
- Step 1: Write the proportion equation
17,950,862.30 : 26,921,389.07 = 6,434,182.98 : x - Step 2: Convert to fraction form
17,950,862.30/26,921,389.07 = 6,434,182.98/x - Step 3: Cross multiply
17,950,862.30x = 26,921,389.07 × 6,434,182.98 - Step 4: Simplify right side
17,950,862.30x = 173,217,143,319,981.12 - Step 5: Solve for x
x = 173,217,143,319,981.12/17,950,862.30 - Step 6: Final answer
x = 9,649,516.58
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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.