Finding the Fourth Proportional to 31,415,014.08, 47,117,272.32 and 8,698,207.68
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Solution
The fourth proportional to 31,415,014.08, 47,117,272.32 and 8,698,207.68 is: 13,045,858.23
Step by Step Solution
- Step 1: Write the proportion equation
31,415,014.08 : 47,117,272.32 = 8,698,207.68 : x - Step 2: Convert to fraction form
31,415,014.08/47,117,272.32 = 8,698,207.68/x - Step 3: Cross multiply
31,415,014.08x = 47,117,272.32 × 8,698,207.68 - Step 4: Simplify right side
31,415,014.08x = 409,835,819,954,475.38 - Step 5: Solve for x
x = 409,835,819,954,475.38/31,415,014.08 - Step 6: Final answer
x = 13,045,858.23
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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.