Finding the Fourth Proportional to 30,348,028.80, 45,427,564.80 and 29,403,244.80
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Solution
The fourth proportional to 30,348,028.80, 45,427,564.80 and 29,403,244.80 is: 44,013,330.07
Step by Step Solution
- Step 1: Write the proportion equation
30,348,028.80 : 45,427,564.80 = 29,403,244.80 : x - Step 2: Convert to fraction form
30,348,028.80/45,427,564.80 = 29,403,244.80/x - Step 3: Cross multiply
30,348,028.80x = 45,427,564.80 × 29,403,244.80 - Step 4: Simplify right side
30,348,028.80x = 1,335,717,808,482,263 - Step 5: Solve for x
x = 1,335,717,808,482,263/30,348,028.80 - Step 6: Final answer
x = 44,013,330.07
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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.