Finding the Fourth Proportional to 34,428,295.08, 47,507,435.13 and 19,538,877.60
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Solution
The fourth proportional to 34,428,295.08, 47,507,435.13 and 19,538,877.60 is: 26,961,601.15
Step by Step Solution
- Step 1: Write the proportion equation
34,428,295.08 : 47,507,435.13 = 19,538,877.60 : x - Step 2: Convert to fraction form
34,428,295.08/47,507,435.13 = 19,538,877.60/x - Step 3: Cross multiply
34,428,295.08x = 47,507,435.13 × 19,538,877.60 - Step 4: Simplify right side
34,428,295.08x = 928,241,960,095,010.25 - Step 5: Solve for x
x = 928,241,960,095,010.25/34,428,295.08 - Step 6: Final answer
x = 26,961,601.15
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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.