Finding the Fourth Proportional to 19,974,645.36, 27,565,010.55 and 10,807,288.02
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Solution
The fourth proportional to 19,974,645.36, 27,565,010.55 and 10,807,288.02 is: 14,914,057.44
Step by Step Solution
- Step 1: Write the proportion equation
19,974,645.36 : 27,565,010.55 = 10,807,288.02 : x - Step 2: Convert to fraction form
19,974,645.36/27,565,010.55 = 10,807,288.02/x - Step 3: Cross multiply
19,974,645.36x = 27,565,010.55 × 10,807,288.02 - Step 4: Simplify right side
19,974,645.36x = 297,903,008,288,188.62 - Step 5: Solve for x
x = 297,903,008,288,188.62/19,974,645.36 - Step 6: Final answer
x = 14,914,057.44
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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.