Finding the Fourth Proportional to 19,406,947.80, 29,110,421.70 and 6,623,203.80
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Solution
The fourth proportional to 19,406,947.80, 29,110,421.70 and 6,623,203.80 is: 9,934,805.70
Step by Step Solution
- Step 1: Write the proportion equation
19,406,947.80 : 29,110,421.70 = 6,623,203.80 : x - Step 2: Convert to fraction form
19,406,947.80/29,110,421.70 = 6,623,203.80/x - Step 3: Cross multiply
19,406,947.80x = 29,110,421.70 × 6,623,203.80 - Step 4: Simplify right side
19,406,947.80x = 192,804,255,623,042.44 - Step 5: Solve for x
x = 192,804,255,623,042.44/19,406,947.80 - Step 6: Final answer
x = 9,934,805.70
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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.