Finding the Fourth Proportional to 34,313,911.47, 47,363,813.24 and 22,090,758.75
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Solution
The fourth proportional to 34,313,911.47, 47,363,813.24 and 22,090,758.75 is: 30,492,081.11
Step by Step Solution
- Step 1: Write the proportion equation
34,313,911.47 : 47,363,813.24 = 22,090,758.75 : x - Step 2: Convert to fraction form
34,313,911.47/47,363,813.24 = 22,090,758.75/x - Step 3: Cross multiply
34,313,911.47x = 47,363,813.24 × 22,090,758.75 - Step 4: Simplify right side
34,313,911.47x = 1,046,302,571,654,442 - Step 5: Solve for x
x = 1,046,302,571,654,442/34,313,911.47 - Step 6: Final answer
x = 30,492,081.11
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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.