Finding the Fourth Proportional to 17,490,907.60, 26,247,420.60 and 10,302,427.60
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Solution
The fourth proportional to 17,490,907.60, 26,247,420.60 and 10,302,427.60 is: 15,460,155.45
Step by Step Solution
- Step 1: Write the proportion equation
17,490,907.60 : 26,247,420.60 = 10,302,427.60 : x - Step 2: Convert to fraction form
17,490,907.60/26,247,420.60 = 10,302,427.60/x - Step 3: Cross multiply
17,490,907.60x = 26,247,420.60 × 10,302,427.60 - Step 4: Simplify right side
17,490,907.60x = 270,412,150,418,248.56 - Step 5: Solve for x
x = 270,412,150,418,248.56/17,490,907.60 - Step 6: Final answer
x = 15,460,155.45
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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.