Finding the Fourth Proportional to 13,972,349.62, 20,957,323.74 and 8,506,025.74
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Solution
The fourth proportional to 13,972,349.62, 20,957,323.74 and 8,506,025.74 is: 12,758,307.66
Step by Step Solution
- Step 1: Write the proportion equation
13,972,349.62 : 20,957,323.74 = 8,506,025.74 : x - Step 2: Convert to fraction form
13,972,349.62/20,957,323.74 = 8,506,025.74/x - Step 3: Cross multiply
13,972,349.62x = 20,957,323.74 × 8,506,025.74 - Step 4: Simplify right side
13,972,349.62x = 178,263,535,173,953.06 - Step 5: Solve for x
x = 178,263,535,173,953.06/13,972,349.62 - Step 6: Final answer
x = 12,758,307.66
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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.