Finding the Fourth Proportional to 26,087,812.08, 38,956,042.56 and 21,304,988.88
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Solution
The fourth proportional to 26,087,812.08, 38,956,042.56 and 21,304,988.88 is: 31,814,015.33
Step by Step Solution
- Step 1: Write the proportion equation
26,087,812.08 : 38,956,042.56 = 21,304,988.88 : x - Step 2: Convert to fraction form
26,087,812.08/38,956,042.56 = 21,304,988.88/x - Step 3: Cross multiply
26,087,812.08x = 38,956,042.56 × 21,304,988.88 - Step 4: Simplify right side
26,087,812.08x = 829,958,053,549,606.75 - Step 5: Solve for x
x = 829,958,053,549,606.75/26,087,812.08 - Step 6: Final answer
x = 31,814,015.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.