Finding the Fourth Proportional to 51,518,538.24, 77,277,003.84 and 13,179,721.92
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Solution
The fourth proportional to 51,518,538.24, 77,277,003.84 and 13,179,721.92 is: 19,769,377.32
Step by Step Solution
- Step 1: Write the proportion equation
51,518,538.24 : 77,277,003.84 = 13,179,721.92 : x - Step 2: Convert to fraction form
51,518,538.24/77,277,003.84 = 13,179,721.92/x - Step 3: Cross multiply
51,518,538.24x = 77,277,003.84 × 13,179,721.92 - Step 4: Simplify right side
51,518,538.24x = 1,018,489,421,421,972.25 - Step 5: Solve for x
x = 1,018,489,421,421,972.25/51,518,538.24 - Step 6: Final answer
x = 19,769,377.32
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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.