Finding the Fourth Proportional to 26,130,232.80, 39,192,815.25 and 7,934,585.58
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Solution
The fourth proportional to 26,130,232.80, 39,192,815.25 and 7,934,585.58 is: 11,901,108.92
Step by Step Solution
- Step 1: Write the proportion equation
26,130,232.80 : 39,192,815.25 = 7,934,585.58 : x - Step 2: Convert to fraction form
26,130,232.80/39,192,815.25 = 7,934,585.58/x - Step 3: Cross multiply
26,130,232.80x = 39,192,815.25 × 7,934,585.58 - Step 4: Simplify right side
26,130,232.80x = 310,978,746,722,254.12 - Step 5: Solve for x
x = 310,978,746,722,254.12/26,130,232.80 - Step 6: Final answer
x = 11,901,108.92
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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.