Finding the Fourth Proportional to 17,553,655.80, 26,330,483.70 and 15,427,891.80
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Solution
The fourth proportional to 17,553,655.80, 26,330,483.70 and 15,427,891.80 is: 23,141,837.70
Step by Step Solution
- Step 1: Write the proportion equation
17,553,655.80 : 26,330,483.70 = 15,427,891.80 : x - Step 2: Convert to fraction form
17,553,655.80/26,330,483.70 = 15,427,891.80/x - Step 3: Cross multiply
17,553,655.80x = 26,330,483.70 × 15,427,891.80 - Step 4: Simplify right side
17,553,655.80x = 406,223,853,565,263.69 - Step 5: Solve for x
x = 406,223,853,565,263.69/17,553,655.80 - Step 6: Final answer
x = 23,141,837.70
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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.