Finding the Fourth Proportional to 15,696,573.20, 21,924,814 and 15,696,573.20
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Solution
The fourth proportional to 15,696,573.20, 21,924,814 and 15,696,573.20 is: 21,924,814
Step by Step Solution
- Step 1: Write the proportion equation
15,696,573.20 : 21,924,814 = 15,696,573.20 : x - Step 2: Convert to fraction form
15,696,573.20/21,924,814 = 15,696,573.20/x - Step 3: Cross multiply
15,696,573.20x = 21,924,814 × 15,696,573.20 - Step 4: Simplify right side
15,696,573.20x = 344,144,447,847,384.81 - Step 5: Solve for x
x = 344,144,447,847,384.81/15,696,573.20 - Step 6: Final answer
x = 21,924,814
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.