Finding the Fourth Proportional to 19,330,572.79, 26,676,289.74 and 10,629,306.55
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Solution
The fourth proportional to 19,330,572.79, 26,676,289.74 and 10,629,306.55 is: 14,668,497.64
Step by Step Solution
- Step 1: Write the proportion equation
19,330,572.79 : 26,676,289.74 = 10,629,306.55 : x - Step 2: Convert to fraction form
19,330,572.79/26,676,289.74 = 10,629,306.55/x - Step 3: Cross multiply
19,330,572.79x = 26,676,289.74 × 10,629,306.55 - Step 4: Simplify right side
19,330,572.79x = 283,550,461,263,079.81 - Step 5: Solve for x
x = 283,550,461,263,079.81/19,330,572.79 - Step 6: Final answer
x = 14,668,497.64
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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.