Finding the Fourth Proportional to 14,188,767.99, 19,580,499.77 and 7,662,397.09
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Solution
The fourth proportional to 14,188,767.99, 19,580,499.77 and 7,662,397.09 is: 10,574,107.95
Step by Step Solution
- Step 1: Write the proportion equation
14,188,767.99 : 19,580,499.77 = 7,662,397.09 : x - Step 2: Convert to fraction form
14,188,767.99/19,580,499.77 = 7,662,397.09/x - Step 3: Cross multiply
14,188,767.99x = 19,580,499.77 × 7,662,397.09 - Step 4: Simplify right side
14,188,767.99x = 150,033,564,360,491.16 - Step 5: Solve for x
x = 150,033,564,360,491.16/14,188,767.99 - Step 6: Final answer
x = 10,574,107.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.