Finding the Fourth Proportional to 19,453,411.49, 29,190,210.84 and 8,668,203.87
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Solution
The fourth proportional to 19,453,411.49, 29,190,210.84 and 8,668,203.87 is: 13,006,803.40
Step by Step Solution
- Step 1: Write the proportion equation
19,453,411.49 : 29,190,210.84 = 8,668,203.87 : x - Step 2: Convert to fraction form
19,453,411.49/29,190,210.84 = 8,668,203.87/x - Step 3: Cross multiply
19,453,411.49x = 29,190,210.84 × 8,668,203.87 - Step 4: Simplify right side
19,453,411.49x = 253,026,698,678,867.22 - Step 5: Solve for x
x = 253,026,698,678,867.22/19,453,411.49 - Step 6: Final answer
x = 13,006,803.40
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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.