Finding the Fourth Proportional to 7,138,970.02, 9,842,263.43 and 5,673,771.14
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Solution
The fourth proportional to 7,138,970.02, 9,842,263.43 and 5,673,771.14 is: 7,822,241.88
Step by Step Solution
- Step 1: Write the proportion equation
7,138,970.02 : 9,842,263.43 = 5,673,771.14 : x - Step 2: Convert to fraction form
7,138,970.02/9,842,263.43 = 5,673,771.14/x - Step 3: Cross multiply
7,138,970.02x = 9,842,263.43 × 5,673,771.14 - Step 4: Simplify right side
7,138,970.02x = 55,842,750,240,201.49 - Step 5: Solve for x
x = 55,842,750,240,201.49/7,138,970.02 - Step 6: Final answer
x = 7,822,241.88
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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.