Finding the Fourth Proportional to 38,698,963.84, 58,056,843.84 and 11,771,920
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Solution
The fourth proportional to 38,698,963.84, 58,056,843.84 and 11,771,920 is: 17,660,434.63
Step by Step Solution
- Step 1: Write the proportion equation
38,698,963.84 : 58,056,843.84 = 11,771,920 : x - Step 2: Convert to fraction form
38,698,963.84/58,056,843.84 = 11,771,920/x - Step 3: Cross multiply
38,698,963.84x = 58,056,843.84 × 11,771,920 - Step 4: Simplify right side
38,698,963.84x = 683,440,521,136,972.88 - Step 5: Solve for x
x = 683,440,521,136,972.88/38,698,963.84 - Step 6: Final answer
x = 17,660,434.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.