Finding the Fourth Proportional to 9,232,789.08, 12,742,831.11 and 5,367,552.30
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Solution
The fourth proportional to 9,232,789.08, 12,742,831.11 and 5,367,552.30 is: 7,408,141.99
Step by Step Solution
- Step 1: Write the proportion equation
9,232,789.08 : 12,742,831.11 = 5,367,552.30 : x - Step 2: Convert to fraction form
9,232,789.08/12,742,831.11 = 5,367,552.30/x - Step 3: Cross multiply
9,232,789.08x = 12,742,831.11 × 5,367,552.30 - Step 4: Simplify right side
9,232,789.08x = 68,397,812,432,992.05 - Step 5: Solve for x
x = 68,397,812,432,992.05/9,232,789.08 - Step 6: Final answer
x = 7,408,141.99
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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.