Finding the Fourth Proportional to 21,730,307.40, 32,583,651.30 and 8,952,103.80
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Solution
The fourth proportional to 21,730,307.40, 32,583,651.30 and 8,952,103.80 is: 13,423,290.49
Step by Step Solution
- Step 1: Write the proportion equation
21,730,307.40 : 32,583,651.30 = 8,952,103.80 : x - Step 2: Convert to fraction form
21,730,307.40/32,583,651.30 = 8,952,103.80/x - Step 3: Cross multiply
21,730,307.40x = 32,583,651.30 × 8,952,103.80 - Step 4: Simplify right side
21,730,307.40x = 291,692,228,620,605 - Step 5: Solve for x
x = 291,692,228,620,605/21,730,307.40 - Step 6: Final answer
x = 13,423,290.49
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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.