Finding the Fourth Proportional to 14,426,536.40, 19,908,630.38 and 7,900,167.68
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Solution
The fourth proportional to 14,426,536.40, 19,908,630.38 and 7,900,167.68 is: 10,902,236.96
Step by Step Solution
- Step 1: Write the proportion equation
14,426,536.40 : 19,908,630.38 = 7,900,167.68 : x - Step 2: Convert to fraction form
14,426,536.40/19,908,630.38 = 7,900,167.68/x - Step 3: Cross multiply
14,426,536.40x = 19,908,630.38 × 7,900,167.68 - Step 4: Simplify right side
14,426,536.40x = 157,281,518,281,142.09 - Step 5: Solve for x
x = 157,281,518,281,142.09/14,426,536.40 - Step 6: Final answer
x = 10,902,236.96
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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.