Finding the Fourth Proportional to 11,553,480.68, 15,943,971.30 and 6,656,000.36
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Solution
The fourth proportional to 11,553,480.68, 15,943,971.30 and 6,656,000.36 is: 9,185,377.26
Step by Step Solution
- Step 1: Write the proportion equation
11,553,480.68 : 15,943,971.30 = 6,656,000.36 : x - Step 2: Convert to fraction form
11,553,480.68/15,943,971.30 = 6,656,000.36/x - Step 3: Cross multiply
11,553,480.68x = 15,943,971.30 × 6,656,000.36 - Step 4: Simplify right side
11,553,480.68x = 106,123,078,712,629.67 - Step 5: Solve for x
x = 106,123,078,712,629.67/11,553,480.68 - Step 6: Final answer
x = 9,185,377.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.