Finding the Fourth Proportional to 26,658,709.05, 39,983,979.36 and 8,460,545.37
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Solution
The fourth proportional to 26,658,709.05, 39,983,979.36 and 8,460,545.37 is: 12,689,521.87
Step by Step Solution
- Step 1: Write the proportion equation
26,658,709.05 : 39,983,979.36 = 8,460,545.37 : x - Step 2: Convert to fraction form
26,658,709.05/39,983,979.36 = 8,460,545.37/x - Step 3: Cross multiply
26,658,709.05x = 39,983,979.36 × 8,460,545.37 - Step 4: Simplify right side
26,658,709.05x = 338,286,271,448,423.50 - Step 5: Solve for x
x = 338,286,271,448,423.50/26,658,709.05 - Step 6: Final answer
x = 12,689,521.87
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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.