Finding the Fourth Proportional to 19,005,343.14, 26,249,024.79 and 12,883,142.82
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Solution
The fourth proportional to 19,005,343.14, 26,249,024.79 and 12,883,142.82 is: 17,793,413.82
Step by Step Solution
- Step 1: Write the proportion equation
19,005,343.14 : 26,249,024.79 = 12,883,142.82 : x - Step 2: Convert to fraction form
19,005,343.14/26,249,024.79 = 12,883,142.82/x - Step 3: Cross multiply
19,005,343.14x = 26,249,024.79 × 12,883,142.82 - Step 4: Simplify right side
19,005,343.14x = 338,169,935,255,290.50 - Step 5: Solve for x
x = 338,169,935,255,290.50/19,005,343.14 - Step 6: Final answer
x = 17,793,413.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.