Finding the Fourth Proportional to 9,448,828.69, 13,032,421.98 and 7,125,819.11
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Solution
The fourth proportional to 9,448,828.69, 13,032,421.98 and 7,125,819.11 is: 9,828,380.28
Step by Step Solution
- Step 1: Write the proportion equation
9,448,828.69 : 13,032,421.98 = 7,125,819.11 : x - Step 2: Convert to fraction form
9,448,828.69/13,032,421.98 = 7,125,819.11/x - Step 3: Cross multiply
9,448,828.69x = 13,032,421.98 × 7,125,819.11 - Step 4: Simplify right side
9,448,828.69x = 92,866,681,594,668.05 - Step 5: Solve for x
x = 92,866,681,594,668.05/9,448,828.69 - Step 6: Final answer
x = 9,828,380.28
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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.