Finding the Fourth Proportional to 27,656,628.70, 41,484,943.05 and 13,307,721.70
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Solution
The fourth proportional to 27,656,628.70, 41,484,943.05 and 13,307,721.70 is: 19,961,582.55
Step by Step Solution
- Step 1: Write the proportion equation
27,656,628.70 : 41,484,943.05 = 13,307,721.70 : x - Step 2: Convert to fraction form
27,656,628.70/41,484,943.05 = 13,307,721.70/x - Step 3: Cross multiply
27,656,628.70x = 41,484,943.05 × 13,307,721.70 - Step 4: Simplify right side
27,656,628.70x = 552,070,076,849,749.12 - Step 5: Solve for x
x = 552,070,076,849,749.12/27,656,628.70 - Step 6: Final answer
x = 19,961,582.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.