Finding the Fourth Proportional to 32,900,297.84, 45,403,829.76 and 18,215,963.84
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Solution
The fourth proportional to 32,900,297.84, 45,403,829.76 and 18,215,963.84 is: 25,138,815.62
Step by Step Solution
- Step 1: Write the proportion equation
32,900,297.84 : 45,403,829.76 = 18,215,963.84 : x - Step 2: Convert to fraction form
32,900,297.84/45,403,829.76 = 18,215,963.84/x - Step 3: Cross multiply
32,900,297.84x = 45,403,829.76 × 18,215,963.84 - Step 4: Simplify right side
32,900,297.84x = 827,074,521,105,675.88 - Step 5: Solve for x
x = 827,074,521,105,675.88/32,900,297.84 - Step 6: Final answer
x = 25,138,815.62
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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.