Finding the Fourth Proportional to 26,138,162.16, 39,209,701.98 and 7,694,119.26
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Solution
The fourth proportional to 26,138,162.16, 39,209,701.98 and 7,694,119.26 is: 11,541,902.65
Step by Step Solution
- Step 1: Write the proportion equation
26,138,162.16 : 39,209,701.98 = 7,694,119.26 : x - Step 2: Convert to fraction form
26,138,162.16/39,209,701.98 = 7,694,119.26/x - Step 3: Cross multiply
26,138,162.16x = 39,209,701.98 × 7,694,119.26 - Step 4: Simplify right side
26,138,162.16x = 301,684,123,183,178.12 - Step 5: Solve for x
x = 301,684,123,183,178.12/26,138,162.16 - Step 6: Final answer
x = 11,541,902.65
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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.