Finding the Fourth Proportional to 14,174,865.41, 19,560,058.71 and 7,894,913.58
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Solution
The fourth proportional to 14,174,865.41, 19,560,058.71 and 7,894,913.58 is: 10,894,281.44
Step by Step Solution
- Step 1: Write the proportion equation
14,174,865.41 : 19,560,058.71 = 7,894,913.58 : x - Step 2: Convert to fraction form
14,174,865.41/19,560,058.71 = 7,894,913.58/x - Step 3: Cross multiply
14,174,865.41x = 19,560,058.71 × 7,894,913.58 - Step 4: Simplify right side
14,174,865.41x = 154,424,973,105,570.38 - Step 5: Solve for x
x = 154,424,973,105,570.38/14,174,865.41 - Step 6: Final answer
x = 10,894,281.44
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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.