Finding the Fourth Proportional to 35,916,822.80, 53,909,059.80 and 18,889,715.60
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Solution
The fourth proportional to 35,916,822.80, 53,909,059.80 and 18,889,715.60 is: 28,352,363.28
Step by Step Solution
- Step 1: Write the proportion equation
35,916,822.80 : 53,909,059.80 = 18,889,715.60 : x - Step 2: Convert to fraction form
35,916,822.80/53,909,059.80 = 18,889,715.60/x - Step 3: Cross multiply
35,916,822.80x = 53,909,059.80 × 18,889,715.60 - Step 4: Simplify right side
35,916,822.80x = 1,018,326,807,885,392.88 - Step 5: Solve for x
x = 1,018,326,807,885,392.88/35,916,822.80 - Step 6: Final answer
x = 28,352,363.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.