Finding the Fourth Proportional to 32,970,018.87, 45,497,948.27 and 18,283,315.14
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Solution
The fourth proportional to 32,970,018.87, 45,497,948.27 and 18,283,315.14 is: 25,230,599.04
Step by Step Solution
- Step 1: Write the proportion equation
32,970,018.87 : 45,497,948.27 = 18,283,315.14 : x - Step 2: Convert to fraction form
32,970,018.87/45,497,948.27 = 18,283,315.14/x - Step 3: Cross multiply
32,970,018.87x = 45,497,948.27 × 18,283,315.14 - Step 4: Simplify right side
32,970,018.87x = 831,853,326,352,411.25 - Step 5: Solve for x
x = 831,853,326,352,411.25/32,970,018.87 - Step 6: Final answer
x = 25,230,599.04
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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.