Finding the Fourth Proportional to 31,572,463.91, 47,350,475.12 and 13,367,288.14
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Solution
The fourth proportional to 31,572,463.91, 47,350,475.12 and 13,367,288.14 is: 20,047,451.68
Step by Step Solution
- Step 1: Write the proportion equation
31,572,463.91 : 47,350,475.12 = 13,367,288.14 : x - Step 2: Convert to fraction form
31,572,463.91/47,350,475.12 = 13,367,288.14/x - Step 3: Cross multiply
31,572,463.91x = 47,350,475.12 × 13,367,288.14 - Step 4: Simplify right side
31,572,463.91x = 632,947,444,409,983.12 - Step 5: Solve for x
x = 632,947,444,409,983.12/31,572,463.91 - Step 6: Final answer
x = 20,047,451.68
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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.