Finding the Fourth Proportional to 35,915,319.57, 49,563,140.87 and 19,395,443.21
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Solution
The fourth proportional to 35,915,319.57, 49,563,140.87 and 19,395,443.21 is: 26,765,711.56
Step by Step Solution
- Step 1: Write the proportion equation
35,915,319.57 : 49,563,140.87 = 19,395,443.21 : x - Step 2: Convert to fraction form
35,915,319.57/49,563,140.87 = 19,395,443.21/x - Step 3: Cross multiply
35,915,319.57x = 49,563,140.87 × 19,395,443.21 - Step 4: Simplify right side
35,915,319.57x = 961,299,084,053,315 - Step 5: Solve for x
x = 961,299,084,053,315/35,915,319.57 - Step 6: Final answer
x = 26,765,711.56
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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.