Finding the Fourth Proportional to 18,228,392.40, 27,345,242.16 and 6,719,368.08
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Solution
The fourth proportional to 18,228,392.40, 27,345,242.16 and 6,719,368.08 is: 10,080,030.28
Step by Step Solution
- Step 1: Write the proportion equation
18,228,392.40 : 27,345,242.16 = 6,719,368.08 : x - Step 2: Convert to fraction form
18,228,392.40/27,345,242.16 = 6,719,368.08/x - Step 3: Cross multiply
18,228,392.40x = 27,345,242.16 × 6,719,368.08 - Step 4: Simplify right side
18,228,392.40x = 183,742,747,309,774.25 - Step 5: Solve for x
x = 183,742,747,309,774.25/18,228,392.40 - Step 6: Final answer
x = 10,080,030.28
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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.