Finding the Fourth Proportional to 33,426,460.15, 46,127,930.36 and 18,742,080.98
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Solution
The fourth proportional to 33,426,460.15, 46,127,930.36 and 18,742,080.98 is: 25,863,743.95
Step by Step Solution
- Step 1: Write the proportion equation
33,426,460.15 : 46,127,930.36 = 18,742,080.98 : x - Step 2: Convert to fraction form
33,426,460.15/46,127,930.36 = 18,742,080.98/x - Step 3: Cross multiply
33,426,460.15x = 46,127,930.36 × 18,742,080.98 - Step 4: Simplify right side
33,426,460.15x = 864,533,406,268,530 - Step 5: Solve for x
x = 864,533,406,268,530/33,426,460.15 - Step 6: Final answer
x = 25,863,743.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.