Finding the Fourth Proportional to 9,785,584.36, 13,502,484.88 and 5,656,000.75
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Solution
The fourth proportional to 9,785,584.36, 13,502,484.88 and 5,656,000.75 is: 7,804,343.80
Step by Step Solution
- Step 1: Write the proportion equation
9,785,584.36 : 13,502,484.88 = 5,656,000.75 : x - Step 2: Convert to fraction form
9,785,584.36/13,502,484.88 = 5,656,000.75/x - Step 3: Cross multiply
9,785,584.36x = 13,502,484.88 × 5,656,000.75 - Step 4: Simplify right side
9,785,584.36x = 76,370,064,608,143.67 - Step 5: Solve for x
x = 76,370,064,608,143.67/9,785,584.36 - Step 6: Final answer
x = 7,804,343.80
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1.5x scale
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.