Finding the Fourth Proportional to 34,327,659.26, 47,373,024.35 and 18,646,679.12
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Solution
The fourth proportional to 34,327,659.26, 47,373,024.35 and 18,646,679.12 is: 25,732,881.38
Step by Step Solution
- Step 1: Write the proportion equation
34,327,659.26 : 47,373,024.35 = 18,646,679.12 : x - Step 2: Convert to fraction form
34,327,659.26/47,373,024.35 = 18,646,679.12/x - Step 3: Cross multiply
34,327,659.26x = 47,373,024.35 × 18,646,679.12 - Step 4: Simplify right side
34,327,659.26x = 883,349,583,808,148 - Step 5: Solve for x
x = 883,349,583,808,148/34,327,659.26 - Step 6: Final answer
x = 25,732,881.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.