Finding the Fourth Proportional to 17,447,781.60, 26,175,819.60 and 7,345,202.40
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Solution
The fourth proportional to 17,447,781.60, 26,175,819.60 and 7,345,202.40 is: 11,019,549.50
Step by Step Solution
- Step 1: Write the proportion equation
17,447,781.60 : 26,175,819.60 = 7,345,202.40 : x - Step 2: Convert to fraction form
17,447,781.60/26,175,819.60 = 7,345,202.40/x - Step 3: Cross multiply
17,447,781.60x = 26,175,819.60 × 7,345,202.40 - Step 4: Simplify right side
17,447,781.60x = 192,266,692,947,887.06 - Step 5: Solve for x
x = 192,266,692,947,887.06/17,447,781.60 - Step 6: Final answer
x = 11,019,549.50
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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.