Finding the Fourth Proportional to 13,267,365.60, 18,308,927.84 and 7,466,147.62
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Solution
The fourth proportional to 13,267,365.60, 18,308,927.84 and 7,466,147.62 is: 10,303,263.07
Step by Step Solution
- Step 1: Write the proportion equation
13,267,365.60 : 18,308,927.84 = 7,466,147.62 : x - Step 2: Convert to fraction form
13,267,365.60/18,308,927.84 = 7,466,147.62/x - Step 3: Cross multiply
13,267,365.60x = 18,308,927.84 × 7,466,147.62 - Step 4: Simplify right side
13,267,365.60x = 136,697,158,017,367.73 - Step 5: Solve for x
x = 136,697,158,017,367.73/13,267,365.60 - Step 6: Final answer
x = 10,303,263.07
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1.5x scale
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.