Finding the Fourth Proportional to 31,584,765.35, 43,579,506.36 and 18,346,075.99
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Solution
The fourth proportional to 31,584,765.35, 43,579,506.36 and 18,346,075.99 is: 25,313,246.00
Step by Step Solution
- Step 1: Write the proportion equation
31,584,765.35 : 43,579,506.36 = 18,346,075.99 : x - Step 2: Convert to fraction form
31,584,765.35/43,579,506.36 = 18,346,075.99/x - Step 3: Cross multiply
31,584,765.35x = 43,579,506.36 × 18,346,075.99 - Step 4: Simplify right side
31,584,765.35x = 799,512,935,292,284.38 - Step 5: Solve for x
x = 799,512,935,292,284.38/31,584,765.35 - Step 6: Final answer
x = 25,313,246.00
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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.