Finding the Fourth Proportional to 22,071,214.98, 30,441,021.66 and 14,338,748.70
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Solution
The fourth proportional to 22,071,214.98, 30,441,021.66 and 14,338,748.70 is: 19,776,263.34
Step by Step Solution
- Step 1: Write the proportion equation
22,071,214.98 : 30,441,021.66 = 14,338,748.70 : x - Step 2: Convert to fraction form
22,071,214.98/30,441,021.66 = 14,338,748.70/x - Step 3: Cross multiply
22,071,214.98x = 30,441,021.66 × 14,338,748.70 - Step 4: Simplify right side
22,071,214.98x = 436,486,159,753,996.81 - Step 5: Solve for x
x = 436,486,159,753,996.81/22,071,214.98 - Step 6: Final answer
x = 19,776,263.34
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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.