Finding the Fourth Proportional to 26,520,727.54, 39,781,102.35 and 11,930,605.28
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Solution
The fourth proportional to 26,520,727.54, 39,781,102.35 and 11,930,605.28 is: 17,895,912.89
Step by Step Solution
- Step 1: Write the proportion equation
26,520,727.54 : 39,781,102.35 = 11,930,605.28 : x - Step 2: Convert to fraction form
26,520,727.54/39,781,102.35 = 11,930,605.28/x - Step 3: Cross multiply
26,520,727.54x = 39,781,102.35 × 11,930,605.28 - Step 4: Simplify right side
26,520,727.54x = 474,612,629,741,130.38 - Step 5: Solve for x
x = 474,612,629,741,130.38/26,520,727.54 - Step 6: Final answer
x = 17,895,912.89
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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.