Finding the Fourth Proportional to 64,368,647.33, 96,552,970.99 and 18,930,441.83
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Solution
The fourth proportional to 64,368,647.33, 96,552,970.99 and 18,930,441.83 is: 28,395,662.74
Step by Step Solution
- Step 1: Write the proportion equation
64,368,647.33 : 96,552,970.99 = 18,930,441.83 : x - Step 2: Convert to fraction form
64,368,647.33/96,552,970.99 = 18,930,441.83/x - Step 3: Cross multiply
64,368,647.33x = 96,552,970.99 × 18,930,441.83 - Step 4: Simplify right side
64,368,647.33x = 1,827,790,400,309,781.50 - Step 5: Solve for x
x = 1,827,790,400,309,781.50/64,368,647.33 - Step 6: Final answer
x = 28,395,662.74
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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.