Finding the Fourth Proportional to 18,349,725.60, 27,523,713.60 and 6,217,999.20
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Solution
The fourth proportional to 18,349,725.60, 27,523,713.60 and 6,217,999.20 is: 9,326,702.36
Step by Step Solution
- Step 1: Write the proportion equation
18,349,725.60 : 27,523,713.60 = 6,217,999.20 : x - Step 2: Convert to fraction form
18,349,725.60/27,523,713.60 = 6,217,999.20/x - Step 3: Cross multiply
18,349,725.60x = 27,523,713.60 × 6,217,999.20 - Step 4: Simplify right side
18,349,725.60x = 171,142,429,145,829.12 - Step 5: Solve for x
x = 171,142,429,145,829.12/18,349,725.60 - Step 6: Final answer
x = 9,326,702.36
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1.5x scale
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.