Finding the Fourth Proportional to 14,258,603.69, 19,676,883.47 and 7,732,231.49
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Solution
The fourth proportional to 14,258,603.69, 19,676,883.47 and 7,732,231.49 is: 10,670,485.08
Step by Step Solution
- Step 1: Write the proportion equation
14,258,603.69 : 19,676,883.47 = 7,732,231.49 : x - Step 2: Convert to fraction form
14,258,603.69/19,676,883.47 = 7,732,231.49/x - Step 3: Cross multiply
14,258,603.69x = 19,676,883.47 × 7,732,231.49 - Step 4: Simplify right side
14,258,603.69x = 152,146,217,991,794.47 - Step 5: Solve for x
x = 152,146,217,991,794.47/14,258,603.69 - Step 6: Final answer
x = 10,670,485.08
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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.