Finding the Fourth Proportional to 11,583,148.97, 15,984,747.65 and 6,426,498.21
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Solution
The fourth proportional to 11,583,148.97, 15,984,747.65 and 6,426,498.21 is: 8,868,568.68
Step by Step Solution
- Step 1: Write the proportion equation
11,583,148.97 : 15,984,747.65 = 6,426,498.21 : x - Step 2: Convert to fraction form
11,583,148.97/15,984,747.65 = 6,426,498.21/x - Step 3: Cross multiply
11,583,148.97x = 15,984,747.65 × 6,426,498.21 - Step 4: Simplify right side
11,583,148.97x = 102,725,952,127,894.22 - Step 5: Solve for x
x = 102,725,952,127,894.22/11,583,148.97 - Step 6: Final answer
x = 8,868,568.68
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1.5x scale
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.