Finding the Fourth Proportional to 11,377,275.76, 15,700,641.96 and 6,220,640.88
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Solution
The fourth proportional to 11,377,275.76, 15,700,641.96 and 6,220,640.88 is: 8,584,485.19
Step by Step Solution
- Step 1: Write the proportion equation
11,377,275.76 : 15,700,641.96 = 6,220,640.88 : x - Step 2: Convert to fraction form
11,377,275.76/15,700,641.96 = 6,220,640.88/x - Step 3: Cross multiply
11,377,275.76x = 15,700,641.96 × 6,220,640.88 - Step 4: Simplify right side
11,377,275.76x = 97,668,055,218,619.33 - Step 5: Solve for x
x = 97,668,055,218,619.33/11,377,275.76 - Step 6: Final answer
x = 8,584,485.19
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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.