Finding the Fourth Proportional to 19,402,713.94, 26,768,983.98 and 12,437,232.52
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Solution
The fourth proportional to 19,402,713.94, 26,768,983.98 and 12,437,232.52 is: 17,159,046.88
Step by Step Solution
- Step 1: Write the proportion equation
19,402,713.94 : 26,768,983.98 = 12,437,232.52 : x - Step 2: Convert to fraction form
19,402,713.94/26,768,983.98 = 12,437,232.52/x - Step 3: Cross multiply
19,402,713.94x = 26,768,983.98 × 12,437,232.52 - Step 4: Simplify right side
19,402,713.94x = 332,932,078,083,415 - Step 5: Solve for x
x = 332,932,078,083,415/19,402,713.94 - Step 6: Final answer
x = 17,159,046.88
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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.