Finding the Fourth Proportional to 22,879,395.40, 31,565,883.92 and 12,954,921.99
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Solution
The fourth proportional to 22,879,395.40, 31,565,883.92 and 12,954,921.99 is: 17,873,442.74
Step by Step Solution
- Step 1: Write the proportion equation
22,879,395.40 : 31,565,883.92 = 12,954,921.99 : x - Step 2: Convert to fraction form
22,879,395.40/31,565,883.92 = 12,954,921.99/x - Step 3: Cross multiply
22,879,395.40x = 31,565,883.92 × 12,954,921.99 - Step 4: Simplify right side
22,879,395.40x = 408,933,563,594,429.69 - Step 5: Solve for x
x = 408,933,563,594,429.69/22,879,395.40 - Step 6: Final answer
x = 17,873,442.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.