Finding the Fourth Proportional to 11,172,606.18, 16,758,802.19 and 6,620,378.13
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Solution
The fourth proportional to 11,172,606.18, 16,758,802.19 and 6,620,378.13 is: 9,930,503.74
Step by Step Solution
- Step 1: Write the proportion equation
11,172,606.18 : 16,758,802.19 = 6,620,378.13 : x - Step 2: Convert to fraction form
11,172,606.18/16,758,802.19 = 6,620,378.13/x - Step 3: Cross multiply
11,172,606.18x = 16,758,802.19 × 6,620,378.13 - Step 4: Simplify right side
11,172,606.18x = 110,949,607,470,570.22 - Step 5: Solve for x
x = 110,949,607,470,570.22/11,172,606.18 - Step 6: Final answer
x = 9,930,503.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.