Finding the Fourth Proportional to 19,963,250.70, 29,921,256.45 and 8,448,695.70
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Solution
The fourth proportional to 19,963,250.70, 29,921,256.45 and 8,448,695.70 is: 12,663,047.44
Step by Step Solution
- Step 1: Write the proportion equation
19,963,250.70 : 29,921,256.45 = 8,448,695.70 : x - Step 2: Convert to fraction form
19,963,250.70/29,921,256.45 = 8,448,695.70/x - Step 3: Cross multiply
19,963,250.70x = 29,921,256.45 × 8,448,695.70 - Step 4: Simplify right side
19,963,250.70x = 252,795,590,707,712.25 - Step 5: Solve for x
x = 252,795,590,707,712.25/19,963,250.70 - Step 6: Final answer
x = 12,663,047.44
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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.