Finding the Fourth Proportional to 9,448,827.69, 13,032,420.60 and 7,125,818.11
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Solution
The fourth proportional to 9,448,827.69, 13,032,420.60 and 7,125,818.11 is: 9,828,378.90
Step by Step Solution
- Step 1: Write the proportion equation
9,448,827.69 : 13,032,420.60 = 7,125,818.11 : x - Step 2: Convert to fraction form
9,448,827.69/13,032,420.60 = 7,125,818.11/x - Step 3: Cross multiply
9,448,827.69x = 13,032,420.60 × 7,125,818.11 - Step 4: Simplify right side
9,448,827.69x = 92,866,658,663,454.97 - Step 5: Solve for x
x = 92,866,658,663,454.97/9,448,827.69 - Step 6: Final answer
x = 9,828,378.90
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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.