Finding the Fourth Proportional to 31,471,551.06, 47,155,138.98 and 19,138,207.00
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Solution
The fourth proportional to 31,471,551.06, 47,155,138.98 and 19,138,207.00 is: 28,675,574.62
Step by Step Solution
- Step 1: Write the proportion equation
31,471,551.06 : 47,155,138.98 = 19,138,207.00 : x - Step 2: Convert to fraction form
31,471,551.06/47,155,138.98 = 19,138,207.00/x - Step 3: Cross multiply
31,471,551.06x = 47,155,138.98 × 19,138,207.00 - Step 4: Simplify right side
31,471,551.06x = 902,464,810,906,937.62 - Step 5: Solve for x
x = 902,464,810,906,937.62/31,471,551.06 - Step 6: Final answer
x = 28,675,574.62
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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.