Finding the Fourth Proportional to 26,611,771.91, 39,917,391.75 and 8,415,970.18
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Solution
The fourth proportional to 26,611,771.91, 39,917,391.75 and 8,415,970.18 is: 12,623,871.11
Step by Step Solution
- Step 1: Write the proportion equation
26,611,771.91 : 39,917,391.75 = 8,415,970.18 : x - Step 2: Convert to fraction form
26,611,771.91/39,917,391.75 = 8,415,970.18/x - Step 3: Cross multiply
26,611,771.91x = 39,917,391.75 × 8,415,970.18 - Step 4: Simplify right side
26,611,771.91x = 335,943,578,732,454.19 - Step 5: Solve for x
x = 335,943,578,732,454.19/26,611,771.91 - Step 6: Final answer
x = 12,623,871.11
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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.