Finding the Fourth Proportional to 13,321,391.47, 19,946,159.70 and 8,698,927.09
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Solution
The fourth proportional to 13,321,391.47, 19,946,159.70 and 8,698,927.09 is: 13,024,929.82
Step by Step Solution
- Step 1: Write the proportion equation
13,321,391.47 : 19,946,159.70 = 8,698,927.09 : x - Step 2: Convert to fraction form
13,321,391.47/19,946,159.70 = 8,698,927.09/x - Step 3: Cross multiply
13,321,391.47x = 19,946,159.70 × 8,698,927.09 - Step 4: Simplify right side
13,321,391.47x = 173,510,188,955,796.25 - Step 5: Solve for x
x = 173,510,188,955,796.25/13,321,391.47 - Step 6: Final answer
x = 13,024,929.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.