Finding the Fourth Proportional to 9,490,637.62, 13,097,010.55 and 5,139,622.99
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Solution
The fourth proportional to 9,490,637.62, 13,097,010.55 and 5,139,622.99 is: 7,092,642.16
Step by Step Solution
- Step 1: Write the proportion equation
9,490,637.62 : 13,097,010.55 = 5,139,622.99 : x - Step 2: Convert to fraction form
9,490,637.62/13,097,010.55 = 5,139,622.99/x - Step 3: Cross multiply
9,490,637.62x = 13,097,010.55 × 5,139,622.99 - Step 4: Simplify right side
9,490,637.62x = 67,313,696,523,052.55 - Step 5: Solve for x
x = 67,313,696,523,052.55/9,490,637.62 - Step 6: Final answer
x = 7,092,642.16
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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.