Finding the Fourth Proportional to 37,947,491.13, 56,829,470.18 and 21,724,237.65
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Solution
The fourth proportional to 37,947,491.13, 56,829,470.18 and 21,724,237.65 is: 32,533,821.84
Step by Step Solution
- Step 1: Write the proportion equation
37,947,491.13 : 56,829,470.18 = 21,724,237.65 : x - Step 2: Convert to fraction form
37,947,491.13/56,829,470.18 = 21,724,237.65/x - Step 3: Cross multiply
37,947,491.13x = 56,829,470.18 × 21,724,237.65 - Step 4: Simplify right side
37,947,491.13x = 1,234,576,915,605,287 - Step 5: Solve for x
x = 1,234,576,915,605,287/37,947,491.13 - Step 6: Final answer
x = 32,533,821.84
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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.