Finding the Fourth Proportional to 19,742,851.96, 27,246,523.98 and 11,041,834.12
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Solution
The fourth proportional to 19,742,851.96, 27,246,523.98 and 11,041,834.12 is: 15,238,507.52
Step by Step Solution
- Step 1: Write the proportion equation
19,742,851.96 : 27,246,523.98 = 11,041,834.12 : x - Step 2: Convert to fraction form
19,742,851.96/27,246,523.98 = 11,041,834.12/x - Step 3: Cross multiply
19,742,851.96x = 27,246,523.98 × 11,041,834.12 - Step 4: Simplify right side
19,742,851.96x = 300,851,598,133,762.19 - Step 5: Solve for x
x = 300,851,598,133,762.19/19,742,851.96 - Step 6: Final answer
x = 15,238,507.52
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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.