Finding the Fourth Proportional to 21,946,607.68, 32,786,429.21 and 14,207,202.76
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Solution
The fourth proportional to 21,946,607.68, 32,786,429.21 and 14,207,202.76 is: 21,224,393.96
Step by Step Solution
- Step 1: Write the proportion equation
21,946,607.68 : 32,786,429.21 = 14,207,202.76 : x - Step 2: Convert to fraction form
21,946,607.68/32,786,429.21 = 14,207,202.76/x - Step 3: Cross multiply
21,946,607.68x = 32,786,429.21 × 14,207,202.76 - Step 4: Simplify right side
21,946,607.68x = 465,803,447,562,856.62 - Step 5: Solve for x
x = 465,803,447,562,856.62/21,946,607.68 - Step 6: Final answer
x = 21,224,393.96
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.