Finding the Fourth Proportional to 19,759,655.93, 27,271,177.46 and 11,385,421.83
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Solution
The fourth proportional to 19,759,655.93, 27,271,177.46 and 11,385,421.83 is: 15,713,525.60
Step by Step Solution
- Step 1: Write the proportion equation
19,759,655.93 : 27,271,177.46 = 11,385,421.83 : x - Step 2: Convert to fraction form
19,759,655.93/27,271,177.46 = 11,385,421.83/x - Step 3: Cross multiply
19,759,655.93x = 27,271,177.46 × 11,385,421.83 - Step 4: Simplify right side
19,759,655.93x = 310,493,859,257,102 - Step 5: Solve for x
x = 310,493,859,257,102/19,759,655.93 - Step 6: Final answer
x = 15,713,525.60
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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.