Finding the Fourth Proportional to 31,592,943.91, 47,391,252.95 and 8,875,612.63
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Solution
The fourth proportional to 31,592,943.91, 47,391,252.95 and 8,875,612.63 is: 13,313,935.05
Step by Step Solution
- Step 1: Write the proportion equation
31,592,943.91 : 47,391,252.95 = 8,875,612.63 : x - Step 2: Convert to fraction form
31,592,943.91/47,391,252.95 = 8,875,612.63/x - Step 3: Cross multiply
31,592,943.91x = 47,391,252.95 × 8,875,612.63 - Step 4: Simplify right side
31,592,943.91x = 420,626,403,234,544.81 - Step 5: Solve for x
x = 420,626,403,234,544.81/31,592,943.91 - Step 6: Final answer
x = 13,313,935.05
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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.