Finding the Fourth Proportional to 14,390,455.01, 19,858,879.98 and 7,864,184.57
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Solution
The fourth proportional to 14,390,455.01, 19,858,879.98 and 7,864,184.57 is: 10,852,603.16
Step by Step Solution
- Step 1: Write the proportion equation
14,390,455.01 : 19,858,879.98 = 7,864,184.57 : x - Step 2: Convert to fraction form
14,390,455.01/19,858,879.98 = 7,864,184.57/x - Step 3: Cross multiply
14,390,455.01x = 19,858,879.98 × 7,864,184.57 - Step 4: Simplify right side
14,390,455.01x = 156,173,897,416,903.53 - Step 5: Solve for x
x = 156,173,897,416,903.53/14,390,455.01 - Step 6: Final answer
x = 10,852,603.16
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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.