Finding the Fourth Proportional to 19,385,628.03, 26,756,136.45 and 11,549,730.62
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Solution
The fourth proportional to 19,385,628.03, 26,756,136.45 and 11,549,730.62 is: 15,940,993.39
Step by Step Solution
- Step 1: Write the proportion equation
19,385,628.03 : 26,756,136.45 = 11,549,730.62 : x - Step 2: Convert to fraction form
19,385,628.03/26,756,136.45 = 11,549,730.62/x - Step 3: Cross multiply
19,385,628.03x = 26,756,136.45 × 11,549,730.62 - Step 4: Simplify right side
19,385,628.03x = 309,026,168,295,682.44 - Step 5: Solve for x
x = 309,026,168,295,682.44/19,385,628.03 - Step 6: Final answer
x = 15,940,993.39
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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.