Finding the Fourth Proportional to 34,677,786.72, 47,854,747.08 and 19,207,539.30
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Solution
The fourth proportional to 34,677,786.72, 47,854,747.08 and 19,207,539.30 is: 26,506,072.68
Step by Step Solution
- Step 1: Write the proportion equation
34,677,786.72 : 47,854,747.08 = 19,207,539.30 : x - Step 2: Convert to fraction form
34,677,786.72/47,854,747.08 = 19,207,539.30/x - Step 3: Cross multiply
34,677,786.72x = 47,854,747.08 × 19,207,539.30 - Step 4: Simplify right side
34,677,786.72x = 919,171,935,230,660.25 - Step 5: Solve for x
x = 919,171,935,230,660.25/34,677,786.72 - Step 6: Final answer
x = 26,506,072.68
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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.