Finding the Fourth Proportional to 9,826,831.20, 14,740,246.80 and 3,436,417.20
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Solution
The fourth proportional to 9,826,831.20, 14,740,246.80 and 3,436,417.20 is: 5,154,625.80
Step by Step Solution
- Step 1: Write the proportion equation
9,826,831.20 : 14,740,246.80 = 3,436,417.20 : x - Step 2: Convert to fraction form
9,826,831.20/14,740,246.80 = 3,436,417.20/x - Step 3: Cross multiply
9,826,831.20x = 14,740,246.80 × 3,436,417.20 - Step 4: Simplify right side
9,826,831.20x = 50,653,637,635,764.97 - Step 5: Solve for x
x = 50,653,637,635,764.97/9,826,831.20 - Step 6: Final answer
x = 5,154,625.80
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1.5x scale
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.