Finding the Fourth Proportional to 19,385,621.90, 26,756,127.99 and 11,549,724.49
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Solution
The fourth proportional to 19,385,621.90, 26,756,127.99 and 11,549,724.49 is: 15,940,984.94
Step by Step Solution
- Step 1: Write the proportion equation
19,385,621.90 : 26,756,127.99 = 11,549,724.49 : x - Step 2: Convert to fraction form
19,385,621.90/26,756,127.99 = 11,549,724.49/x - Step 3: Cross multiply
19,385,621.90x = 26,756,127.99 × 11,549,724.49 - Step 4: Simplify right side
19,385,621.90x = 309,025,906,636,787.12 - Step 5: Solve for x
x = 309,025,906,636,787.12/19,385,621.90 - Step 6: Final answer
x = 15,940,984.94
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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.