Finding the Fourth Proportional to 13,433,392.62, 18,537,876.74 and 7,553,032.18
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Solution
The fourth proportional to 13,433,392.62, 18,537,876.74 and 7,553,032.18 is: 10,423,069.10
Step by Step Solution
- Step 1: Write the proportion equation
13,433,392.62 : 18,537,876.74 = 7,553,032.18 : x - Step 2: Convert to fraction form
13,433,392.62/18,537,876.74 = 7,553,032.18/x - Step 3: Cross multiply
13,433,392.62x = 18,537,876.74 × 7,553,032.18 - Step 4: Simplify right side
13,433,392.62x = 140,017,179,538,631.39 - Step 5: Solve for x
x = 140,017,179,538,631.39/13,433,392.62 - Step 6: Final answer
x = 10,423,069.10
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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.