Finding the Fourth Proportional to 15,518,561.60, 23,277,842.67 and 4,735,917.74
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Solution
The fourth proportional to 15,518,561.60, 23,277,842.67 and 4,735,917.74 is: 7,103,876.69
Step by Step Solution
- Step 1: Write the proportion equation
15,518,561.60 : 23,277,842.67 = 4,735,917.74 : x - Step 2: Convert to fraction form
15,518,561.60/23,277,842.67 = 4,735,917.74/x - Step 3: Cross multiply
15,518,561.60x = 23,277,842.67 × 4,735,917.74 - Step 4: Simplify right side
15,518,561.60x = 110,241,948,049,781.98 - Step 5: Solve for x
x = 110,241,948,049,781.98/15,518,561.60 - Step 6: Final answer
x = 7,103,876.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.