Finding the Fourth Proportional to 22,569,788.21, 31,155,841.62 and 15,237,552.68
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Solution
The fourth proportional to 22,569,788.21, 31,155,841.62 and 15,237,552.68 is: 21,034,259.32
Step by Step Solution
- Step 1: Write the proportion equation
22,569,788.21 : 31,155,841.62 = 15,237,552.68 : x - Step 2: Convert to fraction form
22,569,788.21/31,155,841.62 = 15,237,552.68/x - Step 3: Cross multiply
22,569,788.21x = 31,155,841.62 × 15,237,552.68 - Step 4: Simplify right side
22,569,788.21x = 474,738,778,110,793.31 - Step 5: Solve for x
x = 474,738,778,110,793.31/22,569,788.21 - Step 6: Final answer
x = 21,034,259.32
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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.