Finding the Fourth Proportional to 42,117,275.34, 63,135,553.95 and 17,822,782.26
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Solution
The fourth proportional to 42,117,275.34, 63,135,553.95 and 17,822,782.26 is: 26,717,094.63
Step by Step Solution
- Step 1: Write the proportion equation
42,117,275.34 : 63,135,553.95 = 17,822,782.26 : x - Step 2: Convert to fraction form
42,117,275.34/63,135,553.95 = 17,822,782.26/x - Step 3: Cross multiply
42,117,275.34x = 63,135,553.95 × 17,822,782.26 - Step 4: Simplify right side
42,117,275.34x = 1,125,251,230,915,333.12 - Step 5: Solve for x
x = 1,125,251,230,915,333.12/42,117,275.34 - Step 6: Final answer
x = 26,717,094.63
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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.