Finding the Fourth Proportional to 19,916,900.06, 27,487,941.30 and 11,216,773.49
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Solution
The fourth proportional to 19,916,900.06, 27,487,941.30 and 11,216,773.49 is: 15,480,622.50
Step by Step Solution
- Step 1: Write the proportion equation
19,916,900.06 : 27,487,941.30 = 11,216,773.49 : x - Step 2: Convert to fraction form
19,916,900.06/27,487,941.30 = 11,216,773.49/x - Step 3: Cross multiply
19,916,900.06x = 27,487,941.30 × 11,216,773.49 - Step 4: Simplify right side
19,916,900.06x = 308,326,011,131,076.44 - Step 5: Solve for x
x = 308,326,011,131,076.44/19,916,900.06 - Step 6: Final answer
x = 15,480,622.50
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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.