Finding the Fourth Proportional to 19,701,965.80, 29,553,870.30 and 6,239,847.40
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Solution
The fourth proportional to 19,701,965.80, 29,553,870.30 and 6,239,847.40 is: 9,360,062.98
Step by Step Solution
- Step 1: Write the proportion equation
19,701,965.80 : 29,553,870.30 = 6,239,847.40 : x - Step 2: Convert to fraction form
19,701,965.80/29,553,870.30 = 6,239,847.40/x - Step 3: Cross multiply
19,701,965.80x = 29,553,870.30 × 6,239,847.40 - Step 4: Simplify right side
19,701,965.80x = 184,411,640,751,392.25 - Step 5: Solve for x
x = 184,411,640,751,392.25/19,701,965.80 - Step 6: Final answer
x = 9,360,062.98
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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.