Finding the Fourth Proportional to 26,647,166.10, 39,917,605.05 and 15,274,328.70
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Solution
The fourth proportional to 26,647,166.10, 39,917,605.05 and 15,274,328.70 is: 22,881,030.51
Step by Step Solution
- Step 1: Write the proportion equation
26,647,166.10 : 39,917,605.05 = 15,274,328.70 : x - Step 2: Convert to fraction form
26,647,166.10/39,917,605.05 = 15,274,328.70/x - Step 3: Cross multiply
26,647,166.10x = 39,917,605.05 × 15,274,328.70 - Step 4: Simplify right side
26,647,166.10x = 609,714,620,450,479.88 - Step 5: Solve for x
x = 609,714,620,450,479.88/26,647,166.10 - Step 6: Final answer
x = 22,881,030.51
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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.