Finding the Fourth Proportional to 26,611,951.05, 36,724,278.56 and 15,449,479.83
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Solution
The fourth proportional to 26,611,951.05, 36,724,278.56 and 15,449,479.83 is: 21,320,157.99
Step by Step Solution
- Step 1: Write the proportion equation
26,611,951.05 : 36,724,278.56 = 15,449,479.83 : x - Step 2: Convert to fraction form
26,611,951.05/36,724,278.56 = 15,449,479.83/x - Step 3: Cross multiply
26,611,951.05x = 36,724,278.56 × 15,449,479.83 - Step 4: Simplify right side
26,611,951.05x = 567,371,000,806,774 - Step 5: Solve for x
x = 567,371,000,806,774/26,611,951.05 - Step 6: Final answer
x = 21,320,157.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.