Finding the Fourth Proportional to 35,317,045.80, 53,009,394.30 and 18,289,938.60
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Solution
The fourth proportional to 35,317,045.80, 53,009,394.30 and 18,289,938.60 is: 27,452,425.45
Step by Step Solution
- Step 1: Write the proportion equation
35,317,045.80 : 53,009,394.30 = 18,289,938.60 : x - Step 2: Convert to fraction form
35,317,045.80/53,009,394.30 = 18,289,938.60/x - Step 3: Cross multiply
35,317,045.80x = 53,009,394.30 × 18,289,938.60 - Step 4: Simplify right side
35,317,045.80x = 969,538,566,970,190 - Step 5: Solve for x
x = 969,538,566,970,190/35,317,045.80 - Step 6: Final answer
x = 27,452,425.45
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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.