Finding the Fourth Proportional to 31,640,622.95, 47,366,374.86 and 19,138,994.55
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Solution
The fourth proportional to 31,640,622.95, 47,366,374.86 and 19,138,994.55 is: 28,651,293.99
Step by Step Solution
- Step 1: Write the proportion equation
31,640,622.95 : 47,366,374.86 = 19,138,994.55 : x - Step 2: Convert to fraction form
31,640,622.95/47,366,374.86 = 19,138,994.55/x - Step 3: Cross multiply
31,640,622.95x = 47,366,374.86 × 19,138,994.55 - Step 4: Simplify right side
31,640,622.95x = 906,544,790,298,797 - Step 5: Solve for x
x = 906,544,790,298,797/31,640,622.95 - Step 6: Final answer
x = 28,651,293.99
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