Finding the Fourth Proportional to 35,466,471.98, 48,943,709.22 and 19,168,947.98
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Solution
The fourth proportional to 35,466,471.98, 48,943,709.22 and 19,168,947.98 is: 26,453,136.26
Step by Step Solution
- Step 1: Write the proportion equation
35,466,471.98 : 48,943,709.22 = 19,168,947.98 : x - Step 2: Convert to fraction form
35,466,471.98/48,943,709.22 = 19,168,947.98/x - Step 3: Cross multiply
35,466,471.98x = 48,943,709.22 × 19,168,947.98 - Step 4: Simplify right side
35,466,471.98x = 938,199,415,997,130.38 - Step 5: Solve for x
x = 938,199,415,997,130.38/35,466,471.98 - Step 6: Final answer
x = 26,453,136.26
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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.