Finding the Fourth Proportional to 37,363,699.23, 51,555,519.30 and 21,679,128.08
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Solution
The fourth proportional to 37,363,699.23, 51,555,519.30 and 21,679,128.08 is: 29,913,491.68
Step by Step Solution
- Step 1: Write the proportion equation
37,363,699.23 : 51,555,519.30 = 21,679,128.08 : x - Step 2: Convert to fraction form
37,363,699.23/51,555,519.30 = 21,679,128.08/x - Step 3: Cross multiply
37,363,699.23x = 51,555,519.30 × 21,679,128.08 - Step 4: Simplify right side
37,363,699.23x = 1,117,678,705,877,834.25 - Step 5: Solve for x
x = 1,117,678,705,877,834.25/37,363,699.23 - Step 6: Final answer
x = 29,913,491.68
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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.