Finding the Fourth Proportional to 28,658,206.08, 39,537,938.16 and 16,261,120.17
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Solution
The fourth proportional to 28,658,206.08, 39,537,938.16 and 16,261,120.17 is: 22,434,452.52
Step by Step Solution
- Step 1: Write the proportion equation
28,658,206.08 : 39,537,938.16 = 16,261,120.17 : x - Step 2: Convert to fraction form
28,658,206.08/39,537,938.16 = 16,261,120.17/x - Step 3: Cross multiply
28,658,206.08x = 39,537,938.16 × 16,261,120.17 - Step 4: Simplify right side
28,658,206.08x = 642,931,163,693,788.62 - Step 5: Solve for x
x = 642,931,163,693,788.62/28,658,206.08 - Step 6: Final answer
x = 22,434,452.52
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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.