Finding the Fourth Proportional to 19,804,890.25, 29,686,368.35 and 6,661,796.13
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Solution
The fourth proportional to 19,804,890.25, 29,686,368.35 and 6,661,796.13 is: 9,985,641.49
Step by Step Solution
- Step 1: Write the proportion equation
19,804,890.25 : 29,686,368.35 = 6,661,796.13 : x - Step 2: Convert to fraction form
19,804,890.25/29,686,368.35 = 6,661,796.13/x - Step 3: Cross multiply
19,804,890.25x = 29,686,368.35 × 6,661,796.13 - Step 4: Simplify right side
19,804,890.25x = 197,764,533,787,784.50 - Step 5: Solve for x
x = 197,764,533,787,784.50/19,804,890.25 - Step 6: Final answer
x = 9,985,641.49
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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.