Finding the Fourth Proportional to 32,626,882.62, 45,026,281.86 and 18,690,931.11
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Solution
The fourth proportional to 32,626,882.62, 45,026,281.86 and 18,690,931.11 is: 25,794,163.12
Step by Step Solution
- Step 1: Write the proportion equation
32,626,882.62 : 45,026,281.86 = 18,690,931.11 : x - Step 2: Convert to fraction form
32,626,882.62/45,026,281.86 = 18,690,931.11/x - Step 3: Cross multiply
32,626,882.62x = 45,026,281.86 × 18,690,931.11 - Step 4: Simplify right side
32,626,882.62x = 841,583,132,483,460.25 - Step 5: Solve for x
x = 841,583,132,483,460.25/32,626,882.62 - Step 6: Final answer
x = 25,794,163.12
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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.