Finding the Fourth Proportional to 31,549,712.41, 47,324,569.02 and 7,615,184.41
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Solution
The fourth proportional to 31,549,712.41, 47,324,569.02 and 7,615,184.41 is: 11,422,776.71
Step by Step Solution
- Step 1: Write the proportion equation
31,549,712.41 : 47,324,569.02 = 7,615,184.41 : x - Step 2: Convert to fraction form
31,549,712.41/47,324,569.02 = 7,615,184.41/x - Step 3: Cross multiply
31,549,712.41x = 47,324,569.02 × 7,615,184.41 - Step 4: Simplify right side
31,549,712.41x = 360,385,320,211,073 - Step 5: Solve for x
x = 360,385,320,211,073/31,549,712.41 - Step 6: Final answer
x = 11,422,776.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.