Finding the Fourth Proportional to 28,750,809.02, 39,676,668.88 and 15,698,585.26
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Solution
The fourth proportional to 28,750,809.02, 39,676,668.88 and 15,698,585.26 is: 21,664,349.30
Step by Step Solution
- Step 1: Write the proportion equation
28,750,809.02 : 39,676,668.88 = 15,698,585.26 : x - Step 2: Convert to fraction form
28,750,809.02/39,676,668.88 = 15,698,585.26/x - Step 3: Cross multiply
28,750,809.02x = 39,676,668.88 × 15,698,585.26 - Step 4: Simplify right side
28,750,809.02x = 622,867,569,245,468.75 - Step 5: Solve for x
x = 622,867,569,245,468.75/28,750,809.02 - Step 6: Final answer
x = 21,664,349.30
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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.