Finding the Fourth Proportional to 15,564,777.35, 21,485,124.45 and 9,370,112.00
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Solution
The fourth proportional to 15,564,777.35, 21,485,124.45 and 9,370,112.00 is: 12,934,205.09
Step by Step Solution
- Step 1: Write the proportion equation
15,564,777.35 : 21,485,124.45 = 9,370,112.00 : x - Step 2: Convert to fraction form
15,564,777.35/21,485,124.45 = 9,370,112.00/x - Step 3: Cross multiply
15,564,777.35x = 21,485,124.45 × 9,370,112.00 - Step 4: Simplify right side
15,564,777.35x = 201,318,022,323,012.75 - Step 5: Solve for x
x = 201,318,022,323,012.75/15,564,777.35 - Step 6: Final answer
x = 12,934,205.09
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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.