Finding the Fourth Proportional to 22,879,688.06, 31,566,287.07 and 12,955,214.21
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Solution
The fourth proportional to 22,879,688.06, 31,566,287.07 and 12,955,214.21 is: 17,873,845.55
Step by Step Solution
- Step 1: Write the proportion equation
22,879,688.06 : 31,566,287.07 = 12,955,214.21 : x - Step 2: Convert to fraction form
22,879,688.06/31,566,287.07 = 12,955,214.21/x - Step 3: Cross multiply
22,879,688.06x = 31,566,287.07 × 12,955,214.21 - Step 4: Simplify right side
22,879,688.06x = 408,948,010,648,371.81 - Step 5: Solve for x
x = 408,948,010,648,371.81/22,879,688.06 - Step 6: Final answer
x = 17,873,845.55
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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.