Finding the Fourth Proportional to 26,026,619.70, 35,908,527.84 and 15,011,892.62
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Solution
The fourth proportional to 26,026,619.70, 35,908,527.84 and 15,011,892.62 is: 20,711,677.89
Step by Step Solution
- Step 1: Write the proportion equation
26,026,619.70 : 35,908,527.84 = 15,011,892.62 : x - Step 2: Convert to fraction form
26,026,619.70/35,908,527.84 = 15,011,892.62/x - Step 3: Cross multiply
26,026,619.70x = 35,908,527.84 × 15,011,892.62 - Step 4: Simplify right side
26,026,619.70x = 539,054,963,975,180.31 - Step 5: Solve for x
x = 539,054,963,975,180.31/26,026,619.70 - Step 6: Final answer
x = 20,711,677.89
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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.