Finding the Fourth Proportional to 13,791,544.06, 19,032,330.66 and 7,993,688.80
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Solution
The fourth proportional to 13,791,544.06, 19,032,330.66 and 7,993,688.80 is: 11,031,290.46
Step by Step Solution
- Step 1: Write the proportion equation
13,791,544.06 : 19,032,330.66 = 7,993,688.80 : x - Step 2: Convert to fraction form
13,791,544.06/19,032,330.66 = 7,993,688.80/x - Step 3: Cross multiply
13,791,544.06x = 19,032,330.66 × 7,993,688.80 - Step 4: Simplify right side
13,791,544.06x = 152,138,528,434,738.59 - Step 5: Solve for x
x = 152,138,528,434,738.59/13,791,544.06 - Step 6: Final answer
x = 11,031,290.46
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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.