Finding the Fourth Proportional to 13,433,393.62, 18,537,878.12 and 7,553,033.18
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Solution
The fourth proportional to 13,433,393.62, 18,537,878.12 and 7,553,033.18 is: 10,423,070.48
Step by Step Solution
- Step 1: Write the proportion equation
13,433,393.62 : 18,537,878.12 = 7,553,033.18 : x - Step 2: Convert to fraction form
13,433,393.62/18,537,878.12 = 7,553,033.18/x - Step 3: Cross multiply
13,433,393.62x = 18,537,878.12 × 7,553,033.18 - Step 4: Simplify right side
13,433,393.62x = 140,017,208,527,156.03 - Step 5: Solve for x
x = 140,017,208,527,156.03/13,433,393.62 - Step 6: Final answer
x = 10,423,070.48
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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.