Finding the Fourth Proportional to 26,296,496.54, 39,444,744.20 and 7,127,253.21
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Solution
The fourth proportional to 26,296,496.54, 39,444,744.20 and 7,127,253.21 is: 10,690,879.65
Step by Step Solution
- Step 1: Write the proportion equation
26,296,496.54 : 39,444,744.20 = 7,127,253.21 : x - Step 2: Convert to fraction form
26,296,496.54/39,444,744.20 = 7,127,253.21/x - Step 3: Cross multiply
26,296,496.54x = 39,444,744.20 × 7,127,253.21 - Step 4: Simplify right side
26,296,496.54x = 281,132,679,717,078.91 - Step 5: Solve for x
x = 281,132,679,717,078.91/26,296,496.54 - Step 6: Final answer
x = 10,690,879.65
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1.5x scale
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.