Finding the Fourth Proportional to 34,681,752.72, 47,860,178.40 and 19,211,497.92
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Solution
The fourth proportional to 34,681,752.72, 47,860,178.40 and 19,211,497.92 is: 26,511,512.41
Step by Step Solution
- Step 1: Write the proportion equation
34,681,752.72 : 47,860,178.40 = 19,211,497.92 : x - Step 2: Convert to fraction form
34,681,752.72/47,860,178.40 = 19,211,497.92/x - Step 3: Cross multiply
34,681,752.72x = 47,860,178.40 × 19,211,497.92 - Step 4: Simplify right side
34,681,752.72x = 919,465,717,782,429 - Step 5: Solve for x
x = 919,465,717,782,429/34,681,752.72 - Step 6: Final answer
x = 26,511,512.41
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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.